Which of the following is present in all chordates?
A) A vertebral column
B) A notochord
C) Four limbs
D) Chloroplasts
E) An external skeleton
Correct Answer:
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Q14: At some stage of the life cycle,
Q15: The discovery of a coelacanth in South
Q16: Which of the following features is absent
Q17: In vertebrates, the analogous structure to the
Q18: What is the function of the vertebral
Q20: What characteristic of hagfishes differentiates them from
Q21: Parasitic lampreys have
A) radial proportions.
B) sucker-like mouths
Q22: What is the advantage of paired appendages?
A)
Q23: Chondrichthyes includes
A) lampreys.
B) whales.
C) all fishes.
D) sharks.
E)
Q24: A lamprey is a(n)
A) amphibian.
B) bony fish.
C)
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