morgan296
contestada

Which of the following could be added to a tank of fish to integrate two biological systems?

A. Rocks for the fish to swim through

B. Fish food made from grains

C. Algae

D. Wild fish food

Respuesta :

Answer:

C. Algae

Explanation:

I think it is algae because some fish use it for food source but don't blame me if I'm wrong if I am sorry.
C I’m pretty sure it is, comment correct answer if wrong

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