What does the anatomy of squids tell us about the biodiversity of these organisms?

Anatomy of squids tell us that there exist variety of squids on the earth

Explanation:

Anatomy tells us about the structure of organisms and biodiversity tells us about the variety of life on earth. Squid is an animal that lives in water. It's anatomy describe its physical characteristics.

Squids have a symmetrical long body, it helps them to move easily in water. Its head is bigger than the entire body. It has eight arms and two tentacles, the squids have three hearts.

The shape and size of all the squids are not the same, it varies from one specie of squid to others. There is a large variety of squids on the earth.

i say that the answer is 'd'