In all chordates, the notochord
A) may or may not appear at all; it is not found in all chordates.
B) appears at least during early stages of development.
C) appears only in adults.
D) is found throughout the life cycle.
E) appears only during early stages of development.
Correct Answer:
Verified
Q11: Which of the following is present in
Q12: What characteristic of hagfishes differentiates them from
Q13: Larval sea squirts
A) display all four chordate
Q14: Which of the following features is absent
Q15: Which of the following has a ventral
Q17: Which characteristic differentiates hagfishes from other craniates?
A)
Q18: At some stage of the life cycle,
Q19: A tunicate is a(n)
A) invertebrate chordate.
B) jawless
Q20: All chordates have
A) a ventral, hollow nerve
Q21: A(n) protects the internal organs of ray-
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