If continuing analyses confirm that ctenophores are the sister group to sponges plus eumetazoans, which of the following conclusions would be supported?
A) Nervous systems evolved convergently in ctenophores and eumetazoans.
B) Flow-through guts evolved convergently in eumetazoans.
C) Nematocysts evolved convergently in ctenophores and eumetazoans.
D) Sexual reproduction evolved convergently in ctenophores and eumetazoans.
Correct Answer:
Verified
Q1: Animals with bilateral symmetry typically have:
A)distinct front
Q3: Sponges have _ symmetry.
A)no
B)radial
C)bilateral
D)circular
Q4: Comparative embryology helped clarify the relationships among
Q5: Biologists have described about _ species of
Q6: As in many other animals, the endoderm
Q7: Comparative embryology helped clarify the relationships among
Q8: The division of bilaterians into coelomate, acoelomate,
Q9: Speciation is the divergence of two populations
Q10: Traits used to group animals in a
Q11: Linnaeus sorted animals into groups based on
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