Animal Kingdom Question 291
Question: Animals having well marked digestive cavity are included under
[AFMC 1978]
Options:
A) Parazoa
B) Enterozoa
C) Mesozoa
D) Metazoa
Show Answer
Answer:
Correct Answer: B
Solution:
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.
BETA
