Question

Animal which have a well marked digestive cavity are put under

• A. Parazoa
• B. Enterozoa
• C. Metazoa
• D. Bryozoa

Answer 1

The correct option is B Enterozoa

Parazoa is the sub-kingdom in which multi-cellular organisms have less specialized cells than in the Metazoa.
Metazoa includes multicellular animals, having cells differentiated into tissues and organs and usually a digestive cavity.
Enterozoa includes animals, such as tapeworm or hookworm, that is parasitic in the intestine.

Bryozoa is the phylum which contains aquatic invertebrate. They ingest the food with the help of lophophore and they do not have a well-developed digestive cavity.

So, the correct answer is option B.