Chordates are so named because of their
A) dorsal notochord.
B) ventral nerve cord.
C) hollow dorsal nerve cord.
D) dorsal notochord and ventral nerve cord.
E) dorsal notochord and hollow dorsal nerve cord.
Correct Answer:
Verified
Q5: When the spicules of an echinoderm are
Q6: The water vascular system is
A) coelomic in
Q7: The tube feet in echinoderms are extended
Q8: Excretion of nitrogenous wastes in Echinoderms is
Q9: The earliest larval stage of echinoderms
A) is
Q11: At some stage of development, chordates possess
A)
Q12: A structure found in lancelets (cephalochordates) but
Q13: All craniates have
A) a distinct head with
Q14: Vertebrae
A) are characteristic of all chordates.
B) are
Q15: Jawed vertebrates have jaws derived from
A) dermal
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