The table below shows the commonly eaten foods of some organisms.

Commonly Eaten Foods List

Organism Commonly Eaten Foods

A vegetables, meat, chicken

B insects, fruits, seeds

C grasses, barks, twigs, acorns

D ladybugs, caterpillars, flies, mosquitoes

Which organisms are both primary and secondary consumers?

C and D

B and D

B and C

A and B

Answer: A. vegetables, meat, chicken

B. insects, fruits, seeds

Explanation:

A primary consumer is the trophic level in the food chain, which feeds upon the plants and other autotrophs. It includes all the herbivorous animals.

A secondary consumer is the trophic level in the food chain, which feeds upon the herbivorous animals. They are carnivores.

A and B are the two correct options. A will feed upon both plant and animal products such as vegetables and meat, and chicken respectively.

Also B also consumes over the plant products such as fruits and seeds and insects.