In vertebrates, the notochord is replaced by:
A) jaws.
B) a backbone.
C) a nerve cord.
D) a skull.
E) fins.
Correct Answer:
Verified
Q9: The discovery of a coelacanth in South
Q10: Which characteristic differentiates hagfishes from other craniates?
A)skeletal
Q11: Which of the following has a ventral
Q12: Larval sea squirts:
A)live in fresh water.
B)display all
Q13: In all chordates, the notochord:
A)appears only in
Q15: At some stage of the life cycle,
Q16: The great size and mobility of the
Q17: Which of the following features is absent
Q18: _ have a dorsal nerve cord.
A)Sharks
B)Bugs
C)Starfishes
D)Leeches
E)Earthworms
Q19: A tunicate is a(n):
A)bony fish.
B)cartilaginous fish.
C)jawless fish.
D)amphibian.
E)invertebrate
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