Question

A marine biologist dredges up a small animal from the bottom of the ocean. It is uniformly segmented, with short, stiff appendages and soft, flexible skin. It has a complete digestive system and a closed circulatory system, plus multiple true coeloms. Based on this, you determine that the animal must be a(n) _____.

A) lancelet
B) crustacean
C) annelid

Answer 1

The correct answer is option c. Annelids.

Step-by-step explanation:

The annelids are segmented or ringed worms phylum that comprises approximately 22000 species including, earthworms, leeches, and many more.

The characteristic feature of this phylum is segmented body, closed circulatory system, short appendages on the skin, complete digestive system and true celom.

According to these characteristic features, one can determine that the organism found is an annelid.

Thus, the correct answer is option C.