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High school biology

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Welcome to high school biology!

Discover the beauty of life from cells to ecosystems! In this course, you’ll explore organism growth and development, energy and matter in biological systems, molecular and classical genetics, natural selection and evolution, biodiversity and human impacts, and more.
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Unit 1: Ecology and natural systems

Organization of natural systems: Ecology and natural systemsThe distribution of life: Ecology and natural systemsAn organism's niche: Ecology and natural systems
Population growth and carrying capacity: Ecology and natural systemsInteractions in communities: Ecology and natural systems

Unit 2: From cells to organisms

The cellular basis of life: From cells to organismsProkaryotic and eukaryotic cells: From cells to organismsCell structure and function: From cells to organisms
From cells to organisms: From cells to organismsHuman body systems: From cells to organismsHomeostasis: From cells to organisms

Unit 3: The cell cycle and differentiation

The cell cycle and mitosis: The cell cycle and differentiationRegulation of the cell cycle and cancer: The cell cycle and differentiationFertilization, growth, and cell differentiation: The cell cycle and differentiation

Unit 4: Energy and matter in biological systems

Biomolecules and reactions: Energy and matter in biological systemsPhotosynthesis: Energy and matter in biological systemsCellular respiration: Energy and matter in biological systems
Flow of energy and matter through ecosystems: Energy and matter in biological systemsBiogeochemical cycles: Energy and matter in biological systems

Unit 5: Gene expression and regulation

Genes, proteins, and traits: Gene expression and regulationDNA structure and replication: Gene expression and regulationGene expression and regulation: Gene expression and regulation
Mutations: Gene expression and regulation

Unit 6: Inheritance and variation of traits

Meiosis: Inheritance and variation of traitsMendelian genetics: Inheritance and variation of traitsComplex patterns of inheritance: Inheritance and variation of traits
Environmental effects on phenotype: Inheritance and variation of traits

Unit 7: Mechanisms of evolution

Mechanisms of evolution: Mechanisms of evolutionNatural selection and adaptation: Mechanisms of evolutionGroup behavior and evolution: Mechanisms of evolution
Speciation and other patterns of evolution: Mechanisms of evolution

Unit 8: Common ancestry and phylogeny

Evidence for evolution: Common ancestry and phylogenyThe fossil record: Common ancestry and phylogenyKey events in the history of life: Common ancestry and phylogeny
Phylogeny and evolutionary trees: Common ancestry and phylogeny

Unit 9: Biodiversity and human impacts

Biodiversity and ecosystem services: Biodiversity and human impactsThreats to biodiversity: Biodiversity and human impactsDisturbance in ecosystems: Biodiversity and human impacts
Global change biology: Biodiversity and human impactsConservation and sustainability: Biodiversity and human impacts

Unit 10: Creativity in biology

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Creativity in biology: Creativity in biology
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