Question

Based on the scientist's results, which of the following is true?
A.
Koi fish grow fastest in ponds with a high population density.
B.
The growth of koi fish is determined entirely by genetics.
C.
Koi fish grow fastest in ponds with poor water quality.
D.
The growth of koi fish is affected by the environment of the fish.

Answer 1

D. The growth of koi fish is affected by the environment of the fish.

Explanation: The scientist’s results showed differences in growth under different environmental conditions, so environment (not just genetics) influences koi growth.