Question

Plz help!!A biologist claims that during lake succession, fish such as trout are slowly replaced by fish such as bluegills. How must these fish be different for this claim to be TRUE?
A. Bluegills must be larger than trout.

B. Bluegills must require less oxygen than trout.

C. Bluegills must require less nitrogen than trout.

D. Bluegills must have a greater population size.

Answer 1

Answer:

D. Bluegills must have a greater population size.

Explanation:

Hope this helps!