1. AP Biology Practice Test

AP Biology Multiple Choice Practice Test

Question 1 of 3
23% Get this Question Right
Which of the following statements about the blastopore is correct?
It forms the mouth in deuterostomes.
It is the opening to the archenteron.
It forms the anus in protostomes.
It appears in the morula stage of embryonic development.
It is the opening to the blastocoel.