Which of the following competitive interactions most likely occurs in the stream ecosystem?

Choose 1 answer:
Choose 1 answer:
(Choice A) Trees compete for carbon dioxide to use in photosynthesis.
A
Trees compete for carbon dioxide to use in photosynthesis.
(Choice B) Frogs compete for oxygen to breathe.
B
Frogs compete for oxygen to breathe.
(Choice C) Fish compete for insects to eat.
C
Fish compete for insects to eat.

C) Fish compete for insects to eat.