Which of the following best describes which chordate characteristics lancelets retain as adults?
A) Notochord, dorsal nerve cord, post-anal tail, and pharyngeal gill slits
B) Dorsal nerve cord, jaws, limbs, and lobed fins
C) Pharyngeal gill slits, limbs, and lobed fins
D) Post-anal tail, hair, jaws, and amniotic egg
E) Notochord, lobed fins, and jaws
Correct Answer:
Verified
Q5: A tunicate is a(n)
A) amphibian.
B) invertebrate chordate.
C)
Q6: The earliest vertebrates lacked
A) gills.
B) jaws.
C) skeletons.
D)
Q7: _have a dorsal nerve cord.
A) Starfishes
B) Bugs
C)
Q8: All chordates have
A) a backbone.
B) gills.
C) a
Q9: The great size and mobility of the
Q11: Which characteristic differentiates hagfishes from other craniates?
A)
Q12: The notochord
A) forms the nerve cord in
Q13: Lancelets live in
A) sulfur springs.
B) the sea.
C)
Q14: At some stage of the life cycle,
Q15: The discovery of a coelacanth in South
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