Question Detail
Question
The hollow structure from the invagination during gastrulation is called the: a. Progenitor b. Lanceletes c. Gut d. Archenteron
Correct Answer
Option D is the correct answer.
Detailed Explanation
The archenteron is the primitive gut that forms during gastrulation as a result of invagination. It is a cavity that will eventually develop into the digestive tract. The opening of the archenteron is the blastopore.
Hint
It's the 'ancient gut' that forms first.