Biology Units

Resources by Topic

Semester units do not necessarily follow the sequence of the textbook. The Unit Titles below specify the topics covered in each semester, not the chapters in the textbook.

Semester 1

Tentative 2022-2023 Unit Sequence

Unit 1: The Biosphere and Global Systems

Topics: Biological Interactions, Scientific Experimentation, Characteristics of Life, Earth's EcosystemsTextbook: Chapter 1 - The Biosphere

Unit 2: Global Systems, Ecology Interactions and Energy

Topics: Population, Community and Ecosystem DynamicsTextbook: Chapter 2 - Populations, Chapter 22 - Communities and Ecosystem Dynamics

Unit 3: Ecosystem Ecology, and the History of the Earth's Atmosphere

Topics: Ecosystems, Photosynthesis, and RespirationTextbook: Chapter 3 - Ecosystems, Chapter 4 - Photosynthesis, Chapter 5 - Cellular Respiration

Unit 4: Evidence of Common Ancestry and Diversity

Topics: Evolution and The History of Life on Earth, Population GeneticsTextbook: Chapter 6 - Darwin's Theory of Evolution, Chapter 7 - Biodiversity and Classification, Chapter 8 - History of Life, Chapter 9 Animal Evolution, Diversity and Behavior

Unit 5: Biochemistry and Homeostasis

Properties of Water, Organic Macromolecules, Enzymes, Digestion Topics: Digestion, Circulation, Excretion and ResponseTextbook: Chapter 19 - Animal Systems I, Chapter 20 - Animal Systems II Topics: Human Body Systems (Immunity and Disease)Textbook: Chapter 21 - The Human Body

Unit 6: Cellular Structure and Function



Semester 2

Tentative 2022-2023 Unit Sequence

Unit 7: Cellular Reproduction

Topics: Mitosis, Meiosis and Human Reproductive SystemsTextbook: Chapter 17 - Cell Growth and Division, Chapter 10 - Introduction to Genetics, Chapter 20 - Animal Systems II

Unit 8: Inheritance of Traits

Topics: Mendel's Laws and Patterns of InheritanceTextbook: Chapter 10 - Introduction to Genetics, Chapter - 13

Unit 9: Molecular Biology

Topics: DNA, RNA, Protein Synthesis and Genetic MutationsTextbook: Chapter 11 - DNA, Chapter 12 - RNA and Protein Synthesis,

Unit 10: Biotechnology

Topics: Genomics, Genetic Engineering and the Ethics of BiotechnologyTextbook: Chapter 14 - The Human Genome, Chapter 15 - Biotechnology

Unit 11: Humans and Global Change

Topics: Threats to Biodiversity, Climate Change and Human ImpactsTextbook: Chapter 23 - Humans and Global Change

Pre NGSS sequence

Scientific Experimentation, Characteristics of Life, Feedback Systems & Homeostasis

Properties of Water, Organic Macromolecules, Enzymes, Digestion

Cell Organelles, Transport and Communication

Human Body Systems (Nervous, Support, Circulatory and Immune)

Unit 5: Cellular Reproduction

Mitosis, Meiosis and Human Reproductive Systems

Unit 6: Molecular Biology

DNA, RNA, Protein Synthesis and Genetic Mutations

Unit 7: Biotechnology

Viral Genetics, Bacterial Structure and Function, and Genetic Technology

Unit 8: Genetics and Patterns of Inheritance

Mendel's Laws and Patterns of Inheritance

Unit 9: Evolution

The Origin of Life of on Earth and Darwin's Theory of Evolution by Natural Selection

Unit 10: Ecological Foundations

Flow of Energy and Cycling of Matter

Unit 11: Population Ecology

Population Growth Models and Sampling Methods

Unit 12: Community and Ecosystem Ecology

Biomes and Succession

Unit 13: Human Impacts

Threats to Biodiversity, Conservation, Climate Change and Ecological Footprints