Many features unique to vertebrates develop from an embryonic tissue called the
A) dorsal lip of the blastopore.
B) neural crest.
C) endoderm.
D) ectoderm.
E) blastocoel.
Correct Answer:
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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
Q17: Fishes are divided into two classes, Chondrichthyes
Q18: The bony fishes (Osteichthyes) are divided into
Q19: The limbs of tetrapods (amphibians, birds, reptiles
Q20: Lungfishes and amphibians are similar in that
A)
Q21: Most amphibians return to water to lay
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