In explaining the term camouflage, to a class, the diagram above show four varieties, P, Q, R, and S of the same species of fish living amongst water plants in a river were used
Which of the varieties is likely to decrease most in number if a predatory fish is introduced into the river?
- P
- Q
-
R
- S
The correct answer is: C
Explanation
The R-fish does not have a colour that blends with the plants. This will expose it to predators.