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Biology archive | Science | Khan Academy
The biology archive contains legacy biology content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle School Biology, High …
Ecology | AP®︎/College Biology | Science | Khan Academy
Welcome to the fascinating subject of ecology! From population dynamics to biodiversity, this unit explores the complex web of interactions that make up our natural world.
Intro to ecology (practice) | Khan Academy
Test your knowledge on the basics of ecology!
What is ecology? (article) | 2nd quarter | Khan Academy
If so, you’ve gotten a classic taste of ecology, the branch of biology that examines how organisms interact with each other and with their physical environment. Ecology isn't just about species …
The nitrogen cycle (video) | Ecology | Khan Academy
Science> Biology archive> Ecology> Biogeochemical cycles Terms of use Privacy Policy Cookie Notice Accessibility Statement
Ecology: Unit test | Ecology | Khan Academy
AP®︎/College Biology Course: AP®︎/College Biology > Unit 8 Unit test Unit test Ecology
What is ecology? (article) | Ecology | Khan Academy
If so, you’ve gotten a classic taste of ecology, the branch of biology that examines how organisms interact with each other and with their physical environment. Ecology isn't just about species …
Life tables, survivorship, & age-sex structure - Khan Academy
R. E. Ricklefs, "The estimation of survival schedules in natural populations employs several sampling techniques," in Ecology , 299, 3rd ed., New York, NY: W. H. Freeman, 1990.
Community structure (article) | Ecology | Khan Academy
In a classic experiment of community ecology, the sea stars were experimentally removed from the intertidal zone where they lived. As a result, populations of their prey (mussels) increased, …