Question

The productivity of phytoplankton is reduced if there are few nutrients or large populations of grazers in a marine ecosystem. What are these physiological and/or biological necessities called?

A.
abiotic factors

B.
biotic factors

C.
compensation factors

D.
limiting factors











Answers

GPT-4o mini
The physiological and/or biological necessities that reduce the productivity of phytoplankton due to few nutrients or large populations of grazers are called:

**D. limiting factors**

Limiting factors are conditions or resources that limit the growth, abundance, or distribution of an organism in an ecosystem.

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