Multiple Choice
"Diploblastic" refers to ________ where _________.
A) fish and amphibians, cells divide in twos synchronously
B) sea stars and humans, development can proceed in two directions
C) birds and reptiles, the egg must be completely nourished within a shell
D) cnidarians and comb jellies, only two germ layers are formed
E) only mammals, advanced neural structures are formed
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The abnormal entrance of more than one
Q8: Generally,only one sperm fertilizes an egg because<br>A)
Q19: The neural tube of vertebrates develops by<br>A)folding
Q26: At which stage do we begin to
Q30: Eggs with very little yolk that is
Q34: Before fertilization,as an egg cell matures,its nucleus
Q35: Discuss the significance of Spemann's experiment that
Q53: The difference between schizocoelous and enterocoelus organisms
Q59: The allantois<br>A)becomes the chorionic villi.<br>B)lies next to
Q62: Eggs with a moderate amount of yolk