AP Biologymediummcq1 pt
Eutrophication of a lake is triggered by
A.excess nutrients causing algal blooms and oxygen depletion
B.a shortage of nitrogen
C.increased top predators
D.cooling water temperatures
Explanation
Core Concept
Fertilizer runoff feeds algae; when they die, decomposers consume the oxygen, creating dead zones that kill fish.
Correct Answer
Aexcess nutrients causing algal blooms and oxygen depletion
More Unit 8: Ecology practice questions
- mediumWhich measurement estimates the rate at which primary producers add chemical energy to new biomass after subtracting the energy they use in …
- mediumWhich pair is an example of coevolution in a community?
- mediumIn a population at K with stable size, births + immigration
- hardFire suppression in a fire-adapted ecosystem can lead to
- hardThe main reservoir of carbon in Earth's long-term carbon cycle is
Practice more AP Biology questions with full explanations
Practice Unit 8: Ecology Questions →