Question Detail

ZOO 101 Animal Diversity Objective Question

Question

In protostomes, what is the traditional belief about the fate of the blastopore?
Options
A It develops into the anus.
B It develops into the mouth.
Correct Answer
C It closes up and disappears.
D It becomes the nerve cord.
Correct Answer

Option B is the correct answer.

Detailed Explanation

In Protostomes, it is believed that the blastopore develops into the mouth while a second opening forms the anus.

Hint

'Proto-' means first, and 'stoma' means mouth.

Question Info