Which of the following is a diagnostic feature that forms the basis for classification of sea squirts as chordates?
A) metamorphosis from a motile larva to a sessile adult
B) a heart that allows circulation of blood
C) a notochord located in the tail of the larva
D) sexual reproduction during the larval stage
E) the presence of a tunic or coat over the body of the adult
Correct Answer:
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Q2: Which structure has cilia that create water
Q3: Which of the following traits does the
Q4: Radiometric dating shows that Archaeopteryx lived _
Q5: All amphibians, reptiles, birds, and mammals alive
Q6: The vertebrate jaw first appeared in
A)fishes.
B)amphibians.
C)reptiles.
D)birds.
E)mammals.
Q7: The feeding habits of lampreys are best
Q8: Two groups of invertebrate chordates are
A)filter feeders.
B)scavengers.
C)herbivores.
D)predators.
E)parasites.
Q9: Which of the following is (are) a
Q10: The notochord has a similar function to
Q11: Placoderms were among the first fishes to
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