Question

Which of the following is an example of mutualism? A group of piranhas work together to attack a large animal. A mosquito feeds off the blood of another animal and leaves an itchy bump. Barnacles attach themselves to the bottom of a boat for transportation. A sea sponge attached to a crab helps the crab hide from predators and gains transportation for itself.

Answer 1

your answer is D

Explanation:

Answer 2

A seas sponge attached to a crab.

Explanation:

Mutualism is when both organisms benefit. In this case the sponge gets protection and the crab does as well.