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CK-12 Life Science Concepts For Middle School
CK-12 Life Science For Middle School
Introduction to Life Science
Scientific Thinking
Scientific Investigation
Scientific Theories
Characteristics of Life
Fields in the Life Sciences
Basic and Applied Science
Microscopes
Safety in the Life Sciences
Organization of Living Things
Domains of Life
Cell Biology
Cell Biology
Chemistry of Life
Organic Compounds
Cell Transport
Prokaryotic and Eukaryotic Cells
Viruses
Plant Cell Structures
Cell Membrane
Cell Nucleus
Organelles
Passive Transport
Diffusion
Active Transport
Light Reactions of Photosynthesis
Cellular Respiration
Process of Cellular Respiration
Connecting Cellular Respiration and Photosynthesis
Fermentation
Cell Division
Cell Cycle
Mitosis and Cytokinesis
Asexual vs. Sexual Reproduction
Meiosis
Mitosis vs. Meiosis
Molecular Biology and Genetics
Mendel's Pea Plants
Mendel's Laws and Genetics
Punnett Squares
Non-Mendelian Inheritance
DNA, the Genetic Material
DNA Structure and Replication
RNA
Transcription of DNA to RNA
Protein Synthesis and Gene Expression
Translation of RNA to Protein
Mutations
Modern Genetics
Polygenic Traits
Sex-linked Inheritance
Genetic Disorders
Pedigree Analysis
Chromosomal Disorders
Recombinant DNA
Cloning
Human Genome Project
Gene Therapy
Biotechnology in Agriculture
Evolution
Influences on Darwin
Theory of Evolution by Natural Selection
Microevolution and Macroevolution
Evolution Acts on the Phenotype
Fossils
Structural Evidence for Evolution
Molecular Evidence for Evolution
Hardy-Weinberg Theorem
Natural Selection
Origin of Species
Tracing Evolution
Origins of Life
Timeline of Evolution
Mass Extinctions
Ecology
Principles of Ecology
Levels of Ecological Organization
Habitat and Niche
Biomes
Ecosystems
Biosphere
Flow of Energy
Producers
Consumers and Decomposers
Food Chains and Food Webs
Water Cycle
Carbon Cycle
Nitrogen Cycle
Terrestrial Biomes
Aquatic Biomes
Predation
Competition
Symbiosis
Succession
Features of Populations
Population Growth Patterns
Human Population
Limiting Factors to Population Growth
Importance of Biodiversity
Habitat Destruction
Human Causes of Extinction
Outdoor Air Pollution
Indoor Air Pollution
Health Hazards of Air Pollution
Sources of Water Pollution
Effects of Water Pollution
Preserving Water Sources
Renewable Resources and Alternative Energy Sources
Nonrenewable Resources
Reduce, Reuse, and Recycle
Prokaryotes, Viruses, Protists and Fungi
Helpful Bacteria
Harmful Bacteria
Protist Characteristics
Protists Nutrition
Animal-like Protists
Plant-like Protists
Fungus-like Protists
Importance of Protists
Fungi
Fungi Structure
Fungi Reproduction
Fungi Classification
Symbiotic Relationships of Fungi
Human Uses of Fungi
Bacteria Characteristics
Bacteria Nutrition
Bacteria Reproduction
Archaea
Types of Archaea
Plants
Plant Classification
Plant Characteristics
Plants' Adaptations for Life on Land
Plant Reproduction and Life Cycle
Nonvascular Plants
Vascular Seedless Plants
Importance of Seedless Plants
Gymnosperms
Angiosperms
Photosynthesis
Reproduction in Seedless Plants
Seeds and Seed Dispersal
Plant Hormones
Tropisms
Seasonal Changes in Plants
Animals
Invertebrates
Sponges
Cnidarians
Flatworms
Roundworms
Segmented Worms
Mollusks
Types of Mollusks
Importance of Mollusks
Arthropods
Crustaceans
Centipedes and Millipedes
Arachnids
Importance of Arthropods
Insects
Insect Food
Insect Reproduction and Life Cycle
Importance of Insects
Control of Insects
Echinoderms
Types of Echinoderms
Importance of Echinoderms
Chordates
Vertebrate Characteristics
Fish
Jawless Fish
Cartilaginous Fish
Bony Fish
Amphibians
Salamanders
Frogs and Toads
Role of Amphibians
Reptiles
Lizards and Snakes
Alligators and Crocodiles
Turtles
Importance of Reptiles
Birds
Bird Reproduction
Diversity of Birds
Importance of Birds
Mammal Characteristics
Mammal Reproduction
Importance of Mammals
Mammal Classification
Primates
Humans and Primates
Innate Behavior of Animals
Learned Behavior of Animals
Animal Behaviors
Social Behavior of Animals
Cyclic Behavior of Animals
Reproductive Behavior of Animals
Animal Communication
Human Biology
Organization of the Human Body
Homeostasis
Human Skeletal System
Keeping Bones and Joints Healthy
Skeletal System Joints
Smooth, Skeletal, and Cardiac Muscles
Muscles, Bones, and Movement
Muscles and Exercise
Skin
Keeping Skin Healthy
Nails and Hair
Nervous System
Nerve Cells and Nerve Impulses
Central Nervous System
Peripheral Nervous System
Human Vision
How the Eye Works
Vision Correction
Hearing and Balance
Touch
Taste and Smell
Diseases of the Nervous System
Injuries of the Nervous System
Keeping the Nervous System Healthy
Cardiovascular System
Circulation and the Lymphatic System
Heart
Blood Vessels
Components of Blood
Blood Types
Blood Diseases
Blood Pressure
Cardiovascular Diseases
Cardiovascular System Health
Respiration
Respiratory System Organs
Respiratory System Diseases
Respiratory System Health
Processes of Breathing
Human Digestive System
Digestive System Organs
Food and Nutrients
Enzymes in the Digestive System
Bacteria in the Digestive System
Health of the Digestive System
Types of Nutrients
Vitamins and Minerals
Choosing Healthy Foods
Excretion
Urinary System
Excretory System Problems
Kidneys
Pathogens
Cancer
Diabetes
Barriers to Pathogens
Preventing Infectious Diseases
Preventing Noninfectious Diseases
Inflammatory Response
Lymphatic System
B and T Cell Response
Immunity
Autoimmune Diseases
HIV and AIDS
Male Reproductive System
Male Reproductive Structures
Human Sperm
Female Reproductive System
Female Reproductive Structures
Human Egg Cells
Menstrual Cycle
Fertilization
Pregnancy and Childbirth
Adulthood and Aging
Infancy and Childhood
Puberty and Adolescence
Sexually Transmitted Infections
Non-Infectious Reproductive System Disorders
Reproductive System Health
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