#Question id: 5091
#Unit 5. Developmental Biology
In all vertebrate animals, development requires ________.
#Question id: 5092
#Unit 5. Developmental Biology
The least amount of yolk would be found in the egg of a ________.
#Question id: 5093
#Unit 5. Developmental Biology
Which of the following is a result of gastrulation in animals?
I) The archenteron is formed.
II) The body axes are established.
III) The germ layers are formed.
#Question id: 5094
#Unit 5. Developmental Biology
Cell migration occurs extensively during ________.
#Question id: 5095
#Unit 5. Developmental Biology
Changes in the shape of a cell usually involve a reorganization of the ________.
#Question id: 5096
#Unit 5. Developmental Biology
Select the choice that correctly matches the organ with its embryonic sources.