Answer
C.
Work Step by Step
The dorsal blastopore lip and the primitive streak are both important for setting up patterns in the bodies of amniotes, making A.and B. true and C. the best choice. D. is wrong since A. and B. are right.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.