"Diploblastic" refers to ________ where _________.
A) fish and amphibians,cells divide in two 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
Q28: Which of the following is NOT characteristic
Q29: The internal pouch representing the developing gut
Q30: An enterocoelous animal has
A)a true coelom.
B)a pseudocoelom.
C)no
Q31: Superficial cleavage is found in
A)amphibians.
B)mammals.
C)sea stars.
D)insects.
Q32: Which is NOT an extraembryonic membrane?
A)Amnion
B)Placenta
C)Yolk sac
D)Allantois
Q34: The difference between schizocoelous and enterocoelus organisms
Q35: A primitive streak appears during gastrulation of
A)sea
Q36: Mosaic development in animals
A)is a type in
Q37: A developmental stage comprised of a hollow
Q38: In nearly all metazoa,"germ layers" is a
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