Question

Which of the following is an example of commensalism?

A) Birds feed off the insects that are stirred up from the grasses as cattle move through.

B) A polar bear catches a seal for dinner.

C) A tapeworm latches itself in the intestines of a rat, feeding off all the nutrient eaten by the rat.

D) Oxpecker birds eat parasitic ticks off the backs of zebras.

Answer 1

Commensalism is the relation ship between two species where one of the species is being benefited while the other is not benefited and not even harmed.

It is a type of symbiosis

the correct answer is

A) Birds feed off the insects that are stirred up from the grasses as cattle move through.