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Middle School Life Science: Homework Help Resource

Course Summary

Give your middle schooler the help he or she needs in life science class with this fun homework help course. Our short video lessons and quizzes are kid-friendly and designed to give your student a flexible, mobile-friendly resource that can be used to finish homework or study for a test.
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30 Chapters in Middle School Life Science: Homework Help Resource

30 chapters in Middle School Life Science: Homework Help Resource

Course Progress Best Score
Lesson 1 - Matter: Physical and Chemical Properties Score: {{cp.lessonAssetIdToProgress[1603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1603].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - States of Matter: Solids, Liquids, Gases, & Plasma Score: {{cp.lessonAssetIdToProgress[5362].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5362].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Atom Score: {{cp.lessonAssetIdToProgress[277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[277].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Electron Shell Score: {{cp.lessonAssetIdToProgress[278].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[278].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Atomic Number and Mass Number Score: {{cp.lessonAssetIdToProgress[1607].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1607].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Are Elements? Score: {{cp.lessonAssetIdToProgress[3218].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3218].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Isotopes and Average Atomic Mass Score: {{cp.lessonAssetIdToProgress[1608].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1608].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Periodic Table: Properties of Groups and Periods Score: {{cp.lessonAssetIdToProgress[1614].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1614].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Understanding the Relationships between Elements, Molecules & www.thecommoditycodehq.compounds Score: {{cp.lessonAssetIdToProgress[19236].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19236].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Endocytosis and Exocytosis Across the Cell Membrane Score: {{cp.lessonAssetIdToProgress[2630].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2630].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Chloroplast Structure: Chlorophyll, Stroma, Thylakoid, and Grana Score: {{cp.lessonAssetIdToProgress[2635].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2635].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Plant Cell Structures: The Cell Wall and Central Vacuole Score: {{cp.lessonAssetIdToProgress[2636].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2636].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Eukaryotic and Prokaryotic Cells: Similarities and Differences Score: {{cp.lessonAssetIdToProgress[2637].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2637].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Viruses: Bacteriophage Lytic and Lysogenic Cycles Score: {{cp.lessonAssetIdToProgress[2638].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2638].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Nucleoid: Definition, Function & Structure Score: {{cp.lessonAssetIdToProgress[8466].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8466].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Rhizoids: Definition & Function Score: {{cp.lessonAssetIdToProgress[5602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5602].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Is Mitochondria? - Definition & Functions Score: {{cp.lessonAssetIdToProgress[7783].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7783].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Living Systems Requirement for Free Energy and Matter Score: {{cp.lessonAssetIdToProgress[14308].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14308].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Environmental Requirements for Growth, Reproduction & Dynamic Homeostasis Score: {{cp.lessonAssetIdToProgress[14309].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14309].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Using Feedback Systems to Regulate Growth, Reproduction & Dynamic Homeostasis Score: {{cp.lessonAssetIdToProgress[14310].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14310].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Energy and Life: The Transformation of Energy in Living Organisms Score: {{cp.lessonAssetIdToProgress[2550].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2550].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Cellular Respiration: Energy Transfer in Cells Score: {{cp.lessonAssetIdToProgress[330].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[330].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Chlorophyll: Absorbing Light Energy for Photosynthesis Score: {{cp.lessonAssetIdToProgress[334].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[334].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Taxonomy: Classification and Naming of Living Things Score: {{cp.lessonAssetIdToProgress[3127].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3127].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Evolution of Prokaryotes: Archaebacteria and Eubacteria Score: {{cp.lessonAssetIdToProgress[3129].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3129].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - The Evolution of Protists: Importance & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3130].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3130].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Evolution of Plants and Fungi: Characteristics & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3131].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3131].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Evolution of Animals: Importance & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3132].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3132].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Evolution of Humans: Characteristics & Evolutionary History Score: {{cp.lessonAssetIdToProgress[3133].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3133].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Euglena: Characteristics, Classification & Structure Score: {{cp.lessonAssetIdToProgress[8376].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8376].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Germ Theory of Disease: Definition & Louis Pasteur Score: {{cp.lessonAssetIdToProgress[7631].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7631].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Antibiotics and Vaccines Score: {{cp.lessonAssetIdToProgress[1719].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1719].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Archaea: Definition, Characteristics & Examples Score: {{cp.lessonAssetIdToProgress[7632].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7632].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Bacteria? - Definition, Characteristics & Examples Score: {{cp.lessonAssetIdToProgress[7633].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7633].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Cyanobacteria: Definition, Characteristics & Species Score: {{cp.lessonAssetIdToProgress[4767].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4767].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What are Protozoa? - Definition, Characteristics & Examples Score: {{cp.lessonAssetIdToProgress[7634].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7634].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What is Algae? - Definition, Characteristics & Examples Score: {{cp.lessonAssetIdToProgress[7635].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7635].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What are Fungi? - Types and Characteristics Score: {{cp.lessonAssetIdToProgress[7636].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[7636].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Environment, Levels of Ecology and Ecosystems Score: {{cp.lessonAssetIdToProgress[405].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[405].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Ecosystems, Habitats and Ecological Niches Score: {{cp.lessonAssetIdToProgress[410].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[410].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Global Ecology: Definition and Overview Score: {{cp.lessonAssetIdToProgress[8537].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8537].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - What is Biodiversity? - Definition and Relation to Ecosystem Stability Score: {{cp.lessonAssetIdToProgress[8538].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8538].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Food Chains, Trophic Levels and Energy Flow in an Ecosystem Score: {{cp.lessonAssetIdToProgress[414].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[414].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - The Carbon Cycle and Long-Term Carbon Storage Score: {{cp.lessonAssetIdToProgress[406].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[406].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Fossil Fuels, Greenhouse Gases, and Global Warming Score: {{cp.lessonAssetIdToProgress[2366].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2366].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration Score: {{cp.lessonAssetIdToProgress[2175].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2175].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Symbiotic Relationships: Mutualism, www.thecommoditycodehq.commensalism & Parasitism Score: {{cp.lessonAssetIdToProgress[413].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[413].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What Is an Ecosystem? - Definition & Explanation Score: {{cp.lessonAssetIdToProgress[4833].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4833].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Species Richness: Definition & Determining Factors Score: {{cp.lessonAssetIdToProgress[8629].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8629].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Ecosystems of Oceans and Freshwater: Biological Diversity and Water Score: {{cp.lessonAssetIdToProgress[8630].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8630].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Biological Diversity and the Forest: Ecosystems of the Rainforests and Temperate Forests Score: {{cp.lessonAssetIdToProgress[8631].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8631].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Desert Ecosystems: How Biodiversity Impacts Hot and Cold Deserts Score: {{cp.lessonAssetIdToProgress[8744].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8744].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What Is Extinction? - Defining Background and Mass Extinction Score: {{cp.lessonAssetIdToProgress[8632].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8632].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Differences Between Endangered Species and Threatened Species Score: {{cp.lessonAssetIdToProgress[8633].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8633].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Pollution and Habitat Destruction: The Human Factors Contributing To Endangerment & Extinction Score: {{cp.lessonAssetIdToProgress[8634].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8634].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Is an Invasive Species? - Definition, List & Effects Score: {{cp.lessonAssetIdToProgress[4835].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4835].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Over-Exploitation: How Humans Affect Ecosystems By Decreasing Species Populations Score: {{cp.lessonAssetIdToProgress[8635].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8635].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - What Is Conservation Biology? - Definition & Principles Score: {{cp.lessonAssetIdToProgress[4838].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4838].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Ecology Restoration: Foundations, Projects and Goals Score: {{cp.lessonAssetIdToProgress[8636].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8636].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - The Endangered Species Act & The World Conservation Strategy: Goals & Purposes Score: {{cp.lessonAssetIdToProgress[8637].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8637].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Animal Body Plans: Classifications and Features Score: {{cp.lessonAssetIdToProgress[18477].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[18477].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Invertebrates: Definition & Examples Score: {{cp.lessonAssetIdToProgress[25646].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[25646].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Ocean Invertebrates: Sponges & Cnidarians Score: {{cp.lessonAssetIdToProgress[25647].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[25647].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Worms: Types & Features Score: {{cp.lessonAssetIdToProgress[25648].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[25648].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Mollusks: Characteristics & Types Score: {{cp.lessonAssetIdToProgress[25649].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[25649].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Echinoderms: Traits, Types & Roles Score: {{cp.lessonAssetIdToProgress[25650].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[25650].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Arthropods: Definition, Characteristics & Types Score: {{cp.lessonAssetIdToProgress[25651].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[25651].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Horseshoe Crab Blood: Uses, Extraction & Facts Score: {{cp.lessonAssetIdToProgress[408273].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[408273].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Horseshoe Crab: Anatomy & Taxonomy Score: {{cp.lessonAssetIdToProgress[408275].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[408275].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Horseshoe Crabs: Habitat, Distribution & Diet Score: {{cp.lessonAssetIdToProgress[408277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[408277].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Horseshoe Crab: Reproduction & Life Cycle Score: {{cp.lessonAssetIdToProgress[408279].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[408279].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Human Circulatory System: Parts and Functions Score: {{cp.lessonAssetIdToProgress[3168].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3168].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Anatomy of the Heart: Blood Flow and Parts Score: {{cp.lessonAssetIdToProgress[3170].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3170].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Types of Heart Conditions and Diseases Score: {{cp.lessonAssetIdToProgress[3172].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3172].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Functions of the Lymphatic System Score: {{cp.lessonAssetIdToProgress[3175].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3175].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Circulatory System IV: Red Blood Cells Score: {{cp.lessonAssetIdToProgress[1183].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1183].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Blood Types: ABO System, Red Blood Cell Antigens & Blood Groups Score: {{cp.lessonAssetIdToProgress[3722].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3722].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What is a Lymph? - Definition & Anatomy Score: {{cp.lessonAssetIdToProgress[4061].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4061].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Blood Vessels: Arteries, Capillaries & More Score: {{cp.lessonAssetIdToProgress[3169].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3169].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Major Blood Vessels Between the Heart and Lungs: Pulmonary Trunk, Arteries & Veins Score: {{cp.lessonAssetIdToProgress[3718].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3718].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Major Blood Vessels That Carry Blood Away From the Heart Score: {{cp.lessonAssetIdToProgress[3719].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3719].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Major Blood Vessels: Descending Aorta - Thoracic and Abdominal Aorta Score: {{cp.lessonAssetIdToProgress[3834].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3834].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Major Blood Vessels Leading to the Heart: Superior Vena Cava, Inferior Vena Cava & Coronary Sinus Score: {{cp.lessonAssetIdToProgress[3720].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3720].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Is Blood Plasma? - Function & www.thecommoditycodehq.components Score: {{cp.lessonAssetIdToProgress[3914].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3914].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What is Prothrombin Time? - Definition & Normal Range Score: {{cp.lessonAssetIdToProgress[16233].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16233].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Gross Anatomy of the Urinary System Score: {{cp.lessonAssetIdToProgress[5518].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5518].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Hormones: Definition, Function & Intro to the Endocrine System Score: {{cp.lessonAssetIdToProgress[3983].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3983].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Pituitary Dysfunction: Disorders and Symptoms Score: {{cp.lessonAssetIdToProgress[3989].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3989].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Thyroid Disorders: Hyperthyroidism, Hypothyroidism & Thyroidectomy Score: {{cp.lessonAssetIdToProgress[3991].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3991].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Disorders of the Pancreas: Types, Symptoms & Treatments Score: {{cp.lessonAssetIdToProgress[3995].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3995].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Hypothalamus: Function, Role & Definition Score: {{cp.lessonAssetIdToProgress[4926].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4926].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Eye and Eyesight: Large Structures Score: {{cp.lessonAssetIdToProgress[4741].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4741].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Receptors of the Back of the Eye: Retina, Rods, Cones & Fovea Score: {{cp.lessonAssetIdToProgress[4742].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4742].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - How Receptors of the Eye Conduct Information via the Optic Nerve Score: {{cp.lessonAssetIdToProgress[4743].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4743].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Anatomy of the Ear's External Structures Score: {{cp.lessonAssetIdToProgress[4745].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4745].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Cornea: Definition & Function Score: {{cp.lessonAssetIdToProgress[16204].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16204].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Is the Cochlea? - Definition, Function & Location Score: {{cp.lessonAssetIdToProgress[24277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[24277].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Causes Sensitivity to Sound? Score: {{cp.lessonAssetIdToProgress[332665].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[332665].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Major Health Problems in the United States Score: {{cp.lessonAssetIdToProgress[17273].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[17273].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What Are Viruses? - Definition, Structure & Function Score: {{cp.lessonAssetIdToProgress[9179].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9179].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Disease Control & Prevention Score: {{cp.lessonAssetIdToProgress[11338].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11338].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Differences Between Infection and Disease Score: {{cp.lessonAssetIdToProgress[11339].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11339].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is Anorexia Nervosa? - Definition, Symptoms, Treatment and Prognosis Score: {{cp.lessonAssetIdToProgress[10334].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10334].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What is Bulimia Nervosa? - Definition, Symptoms, Treatment and Prognosis Score: {{cp.lessonAssetIdToProgress[10335].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10335].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - What Is Environmental Health? Definition, Types & Sources Score: {{cp.lessonAssetIdToProgress[11349].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[11349].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Is Dyspnea? - Definition, Causes & Treatment Score: {{cp.lessonAssetIdToProgress[16098].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[16098].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - What is Anesthesia? - Definition & Types Score: {{cp.lessonAssetIdToProgress[155811].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[155811].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Anesthesia: History & Invention Score: {{cp.lessonAssetIdToProgress[155813].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[155813].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Anesthesia: Stages, Side Effects & Risks Score: {{cp.lessonAssetIdToProgress[155815].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[155815].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - What is Analgesia? - Definition & Types Score: {{cp.lessonAssetIdToProgress[155817].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[155817].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Analgesia vs. Anesthesia Score: {{cp.lessonAssetIdToProgress[155819].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[155819].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - What is Osteology? - Definition & Terms Score: {{cp.lessonAssetIdToProgress[218181].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[218181].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Classification of Vascular, Nonvascular, Monocot & Dicot Plants Score: {{cp.lessonAssetIdToProgress[344].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[344].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Structure of Leaves: The Epidermis, Palisade and Spongy Layers Score: {{cp.lessonAssetIdToProgress[347].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[347].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Nitrogen Fixation: Significance to Plants and Humans Score: {{cp.lessonAssetIdToProgress[350].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[350].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Flowers: Structure and Function of Male & Female www.thecommoditycodehq.components Score: {{cp.lessonAssetIdToProgress[353].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[353].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Methods of Pollination and Flower-Pollinator Relationships Score: {{cp.lessonAssetIdToProgress[354].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[354].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Capillary Action in Plants: Definition & Examples Score: {{cp.lessonAssetIdToProgress[5555].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5555].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Cellulose in Plants: Function & Structure Score: {{cp.lessonAssetIdToProgress[5556].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5556].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Dicotyledon Plants: Examples & Definition Score: {{cp.lessonAssetIdToProgress[5568].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5568].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Ground Tissue in Plants: Function, System & Definition Score: {{cp.lessonAssetIdToProgress[5574].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5574].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Parts of a Flower Carpel Score: {{cp.lessonAssetIdToProgress[5590].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5590].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Vascular Tissue in Plants: Function & Structure Score: {{cp.lessonAssetIdToProgress[5618].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5618].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Why Do Onions Make People Cry? Score: {{cp.lessonAssetIdToProgress[187169].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[187169].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Citrus Greening Disease: Symptoms & Treatment Score: {{cp.lessonAssetIdToProgress[377141].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[377141].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Alternation of Generations: The Gametophyte and Sporophyte Score: {{cp.lessonAssetIdToProgress[356].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[356].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - A Moss Life Cycle: Dominant Gametophyte Score: {{cp.lessonAssetIdToProgress[2575].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2575].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - A Fern Life Cycle: Plant Reproduction Without Flowers or Seeds Score: {{cp.lessonAssetIdToProgress[355].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[355].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - A Gymnosperm Life Cycle: Reproduction of Plants with 'Naked Seeds' Score: {{cp.lessonAssetIdToProgress[357].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[357].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - An Angiosperm Life Cycle: Flowering Plant Reproduction Score: {{cp.lessonAssetIdToProgress[358].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[358].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Tropisms: Phototropic, Geotropic and Thigmotropic Plant Growth Score: {{cp.lessonAssetIdToProgress[360].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[360].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Photoperiodicity: Short-day, Long-day and Day-Neutral Plants Score: {{cp.lessonAssetIdToProgress[361].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[361].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Seasonal Growth Cycles: Perennial, Annual and Biennial Plants Score: {{cp.lessonAssetIdToProgress[2465].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2465].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Plant Hormones: Chemical Control of Growth and Reproduction Score: {{cp.lessonAssetIdToProgress[2821].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2821].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Ovary of a Flower: Function & Definition Score: {{cp.lessonAssetIdToProgress[5587].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5587].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Stigma in a Flower: Function & Parts Score: {{cp.lessonAssetIdToProgress[5609].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5609].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Monocot: Definition, Function & Examples Score: {{cp.lessonAssetIdToProgress[5583].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5583].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Crassulacean Acid Metabolism: Definition & Plants Score: {{cp.lessonAssetIdToProgress[408411].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[408411].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Pollution: Physical, Chemical & Biological Score: {{cp.lessonAssetIdToProgress[10597].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10597].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What Is Air Pollution? - Definition, Sources & Types Score: {{cp.lessonAssetIdToProgress[10325].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10325].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Global Warming: Atmospheric Causes and Effect on Climate Score: {{cp.lessonAssetIdToProgress[2523].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2523].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Ozone Layer: Importance and the Harmful Effects of Thinning Score: {{cp.lessonAssetIdToProgress[10323].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10323].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Water Pollution: Definition, Types, and Sources Score: {{cp.lessonAssetIdToProgress[9077].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9077].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Environmental Problems Associated With Groundwater Score: {{cp.lessonAssetIdToProgress[13484].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[13484].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Water Treatment: Improving Water Quality Score: {{cp.lessonAssetIdToProgress[9078].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9078].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Clean Water Act & Safe Drinking Water Act: Legislation for Clean Water Score: {{cp.lessonAssetIdToProgress[9079].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9079].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What Are Fossil Fuels? - Definition, Advantages & Disadvantages Score: {{cp.lessonAssetIdToProgress[4823].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[4823].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Biomass for Renewable Energy: Pros and Cons Score: {{cp.lessonAssetIdToProgress[9623].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9623].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Wind Energy: Pros and Cons Score: {{cp.lessonAssetIdToProgress[9624].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9624].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Hydropower: Pros and Cons Score: {{cp.lessonAssetIdToProgress[10329].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[10329].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Geothermal Energy: Advantages and Disadvantages Score: {{cp.lessonAssetIdToProgress[9625].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9625].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Energy Conservation and Energy Efficiency: Examples and Differences Score: {{cp.lessonAssetIdToProgress[9626].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9626].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Conserving Energy at Home: How to Be More Energy Efficient Score: {{cp.lessonAssetIdToProgress[9627].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[9627].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Energy Consumption of The World: The Differences in Consumption Between Developing and Developed Nations Score: {{cp.lessonAssetIdToProgress[8859].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8859].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Coal Mining: Environmental Impacts and Technologies Used To Make Cleaner Coal Score: {{cp.lessonAssetIdToProgress[8860].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8860].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Oil and Natural Gas Reserves: Availability, Extraction and Use Score: {{cp.lessonAssetIdToProgress[8861].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8861].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Shale Gas: Hydraulic Fracturing and Environmental Concerns Score: {{cp.lessonAssetIdToProgress[8862].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8862].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Risks of Nuclear Power Plants and Radioactive Waste: Safety and Health Concerns Score: {{cp.lessonAssetIdToProgress[8863].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8863].bestScoreQuestions}}  Take Quiz Optional

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Ch. 4:  DNA Replication & Mutation: Homework Help
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Ch. 9:  Genetics & Hereditary Traits: Homework Help
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Ch. 10:  Genetic Engineering Basics: Homework Help
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Ch. 11:  Natural Selection & Evolution in Life Science: Homework Help
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Ch. 21:  The Digestive System: Homework Help
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