Which of the following is an example of mutualism?
a) a fish protecting a shrimp who builds a burrow for the pair to share
b) a peacock courting and mating with a peahen
c) crayfish and minnows resting under the same rock
d) two snake species with the similar markings advertising their toxic venom

A

Explanation:

The answer is a because mutualism is an interaction between 2 or more species where each species benefits.

A fish protecting a shrimp who builds a burrow for the pair to share

Explanation:

The fish is getting shelter from the shrimp who gets protection from the fish- they are both benefiting from the situation.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;