QWhich of the following organism is likely to show the highest concentration of DDT, once it has been introduced into the ecosystem?
A. Toad
B. Snake
C. Insect
D. Owl
Correct Answer:D
Explanation:
The higher an animal
is on the food chain (e.g. tertiary consumer such as seals), the
greater the concentration of DDT in their body as a result of a process
called biomagnification.