Biology Welcome to PH@School's Student Pages for Biology.

Check the Table of Contents below, where you can launch into information about each chapter.
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UNIT 1:  The World of Life

Chapter 1:  The Nature of Science
Chapter 2:  Biology As a Science
Chapter 3:  Introduction to Chemistry
Chapter 4:  The Chemical Basis of Life

UNIT 2:  Cells: The Basic Unit of Life

Chapter 5:  Cell Structure and Function
Chapter 6:  Cell Energy: Photosynthesis and Respiration
Chapter 7:  Nucleic Acids and Protein Synthesis
Chapter 8:  Cell Growth and Division

UNIT 3:  Continuity of Life

Chapter 9:  Introduction to Genetics
Chapter 10:  Genes and Chromosome
Chapter 11:  Human Heredity
Chapter 12:  Genetic Engineering

UNIT 4:  Diversity of Life

Chapter 13:  Evolution: Evidence of Change
Chapter 14:  Evolution: How Change Occurs
Chapter 15:  Classification Systems

UNIT 5:  Life on Earth: Bacteria, Protists, and Fungi

Chapter 16:  The Origin of Life
Chapter 17:  Viruses and Bacteria
Chapter 18:  Protists
Chapter 19:  Fungi

UNIT 6:  Life on Earth: Plants

Chapter 20:  Multicellular Algae
Chapter 21:  Mosses and Ferns
Chapter 22:  Plants with Seeds
Chapter 23:  Roots, Stems, and Leaves
Chapter 24:  Plant Growth and Development
Chapter 25:  Reproduction in Seed Plants

UNIT 7:  Life on Earth: Invertebrate Animals

Chapter 26:  Sponges, Cnidarians, and Unsegmented Worms
Chapter 27:  Mollusks and Annelids
Chapter 28:  Arthropods
Chapter 29:  Echinoderms and Invertebrate Chordates
Chapter 30:  Comparing Invertebrates

UNIT 8:  Life on Earth: Vertebrate Animals

Chapter 31:  Fishes and Amphibians
Chapter 32:  Reptiles and Birds
Chapter 33:  Mammals
Chapter 34:  Humans
Chapter 35:  Animal Behavior
Chapter 36:  Comparing Vertebrates

UNIT 9:  Human Biology

Chapter 37:  Nervous System
Chapter 38:  Skeletal, Muscular, and Integumentary Systems
Chapter 39:  Nutrition and Digestion
Chapter 40:  Respiratory System
Chapter 41:  Circulatory and Excretory Systems
Chapter 42:  Endocrine System
Chapter 43:  Reproduction and Development
Chapter 44:  Human Diseases
Chapter 45:  Immune System
Chapter 46:  Drugs, Alcohol, and Tobacco

UNIT 10:  Ecological Interactions

Chapter 47:  The Biosphere
Chapter 48:  Populations and Communities
Chapter 49:  People and the Biosphere

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