A water-vascular systethat operates thtubfeet is characteristic of thtubcomprising the
A) arthropods.
B) annelids.
C) chordates.
D) mollusks.
E) echinoderms.
Correct Answer:
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Q72: Which of thfollowing statements is NOT true?
A)All
Q73: Which of thfollowing statements is FALSE?
A)All vertebrates
Q74: Thchordatfeaturstill present in thhuman adult is
A)the pharyngeal
Q75: Thmajority of deuterostomes are
A)chordates.
B)ectoderms.
C)insects.
D)mollusks.
E)annelids.
Q76: Thnotochoris most closely associatewith the
A)nervous system.
B)spinal cord.
C)skeletal
Q78: Which of thfollowing organisms is not an
Q79: Which of thfollowing is a disadvantagof an
Q80: Metamorphosis in arthropods implies a
A)remodeling of body
Q81: Birds anmammals sharwhich of thfollowing characteristics?
A)ectothermy
B)body air
C)lung
Q82: Sharks anrays belong to the
A)birds.
B)amphibians.
C)cartilaginous fishes.
D)bony fishes.
E)reptiles.
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