human
Question: Clams, oysters, and mussels eat plankton filtered from water. How would clams, oysters, and mussels most likely be affected if the amount of plankton in a large body of water was significantly reduced?

Choices:
A) They would increase in number.
B) They would find a new food source.
C) They would become prey to other animals.
D) They would compete for a limited food source.
gpt
The correct answer is 3: They would compete for a limited food source..