Which of the following is NOT an example of how changes in cell movement play a role in embryonic development? A. Microtubules constrict at one end of ectoderm cells, causing a them to form a wedge during neurulation B. The archenteron is formed via convergent extension. C. Cells slide over the blastopore into the interior of the blastula.
D. Migratory neural crest cells later form into peripheral nerves.