Main content
Unit: Ecology
AP Bio:
ENE (BI)
, ENE‑1 (EU)
, ENE‑3 (EU)
, ENE‑4 (EU)
, EVO (BI)
, EVO‑1 (EU)
, IST (BI)
, IST‑5 (EU)
, SYI (BI)
, SYI‑1 (EU)
, SYI‑2 (EU)
, SYI‑3 (EU)
0
You can bring a horse to water, but you can't teach it to whack flies with its tail. It knew how to do that already!
AP Bio:
ENE (BI)
, ENE‑3 (EU)
, ENE‑3.D (LO)
, ENE‑3.D.1 (EK)
, ENE‑3.D.2 (EK)
, IST (BI)
, IST‑5 (EU)
, IST‑5.A (LO)
, IST‑5.A.1 (EK)
, IST‑5.A.2 (EK)
, IST‑5.A.3 (EK)
They say it's a dog-eat-dog world, but it's really more like a shark-eat-tuna-eat-shrimp-eat-plankton world.
AP Bio:
ENE (BI)
, ENE‑1 (EU)
, ENE‑1.M (LO)
, ENE‑1.M.1 (EK)
, ENE‑1.N (LO)
, ENE‑1.N.1 (EK)
, ENE‑1.N.2 (EK)
, ENE‑1.O (LO)
, ENE‑1.O.1 (EK)
, ENE‑1.O.2 (EK)
Learn
Practice
- Energy flow through ecosystemsGet 3 of 4 questions to level up!
Consider the Australian rabbit. Oh! Excuse me, consider *two* Australian rabbits. No, wait, five! No, wait!
AP Bio:
SYI (BI)
, SYI‑1 (EU)
, SYI‑1.G (LO)
, SYI‑1.G.1 (EK)
, SYI‑1.G.2 (EK)
, SYI‑1.H (LO)
, SYI‑1.H.1 (EK)
, SYI‑1.H.2 (EK)
Learn
Practice
- Population ecologyGet 3 of 4 questions to level up!
Predators may seem dangerous, but they're awfully important to an ecosystem.
AP Bio:
ENE (BI)
, ENE‑4 (EU)
, ENE‑4.A (LO)
, ENE‑4.A.1 (EK)
, ENE‑4.B (LO)
, ENE‑4.B.1 (EK)
, ENE‑4.B.2 (EK)
, ENE‑4.B.3 (EK)
, ENE‑4.B.4 (EK)
, ENE‑4.C (LO)
, ENE‑4.C.1 (EK)
Learn
Practice
- Community ecologyGet 3 of 4 questions to level up!
A keystone is the rock at the top of an archway that locks the other pieces in place. So, what is a keystone species?
AP Bio:
SYI (BI)
, SYI‑3 (EU)
, SYI‑3.F (LO)
, SYI‑3.F.1 (EK)
, SYI‑3.F.2 (EK)
, SYI‑3.G (LO)
, SYI‑3.G.1 (EK)
, SYI‑3.G.2 (EK)
Learn
Practice
- BiodiversityGet 3 of 4 questions to level up!
Get these kudzu vines off my lawn!
AP Bio:
EVO (BI)
, EVO‑1 (EU)
, EVO‑1.O (LO)
, EVO‑1.O.1 (EK)
, SYI (BI)
, SYI‑2 (EU)
, SYI‑2.A (LO)
, SYI‑2.A.1 (EK)
, SYI‑2.A.2 (EK)
, SYI‑2.B (LO)
, SYI‑2.B.1 (EK)
, SYI‑2.B.2 (EK)
, SYI‑2.C (LO)
, SYI‑2.C.1 (EK)
Learn
Practice
- Disruptions to ecosystemsGet 3 of 4 questions to level up!
Up next for you:
Level up on all the skills in this unit and collect up to 600 Mastery points!Unit test
About this unit
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.Biology is brought to you with support from the Amgen Foundation
AP® is a registered trademark of the College Board, which has not reviewed this resource.