Middle school biology
Learn biology using videos, articles, and NGSS-aligned practice. Review the fundamentals of cell biology, organism growth and reproduction, photosynthesis, cellular respiration, ecology, genetics, evolution, and natural selection.
10 units43 videos3 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Cells and organisms
Cells and organisms
Cell parts and functions
Organization in the human body
Sensory processing and the brain
Unit 2: Organism growth and reproduction
Sexual and asexual reproduction
Animal behavior and offspring success
Plant reproductive success
Organism growth and the environment
Unit 3: Matter and energy in organisms
Photosynthesis in organisms
Food and energy in organisms
Unit 4: Interactions in ecosystems
Populations, communities, and ecosystems
Resources and population growth
Ecological interactions
Unit 5: Matter and energy in ecosystems
Photosynthesis in ecosystems
Unit 6: Ecosystems and biodiversity
Ecosystem dynamics
Biodiversity and ecosystem health
Humans and ecosystems
Unit 7: Inheritance and variation
Genes, proteins, and traits
Mutations
Unit 8: Evolution
Evolution and common ancestry
The fossil record
Evidence of evolution: anatomy
Evidence of evolution: embryology
Unit 9: Natural and artificial selection
Natural selection
Adaptation and environmental change
Artificial selection
Unit 10: Explore biology through simulations
Introduction to simulation-based learning
Learn this with a class
With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.
Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.