Which of thfollowing statements is FALSE?
A) All vertebrates have a ventral tubular nervous system.
B) All vertebrates have a tail at some stage in their life cycle.
C) All vertebrates have a notochord at some stage of their life cycle.
D) All vertebrates have pharyngeal gill slits at some stage in their life cycle.
E) All vertebrates have a dorsal nerve cord.
Correct Answer:
Verified
Q68: _ transmit heartworms fro_.
A)Flies; cow to cow
B)Mosquitoes;
Q69: Thmost successful animals that havever evolvearthe
A)vertebrates.
B)insects.
C)humans.
D)protozoans.
E)mollusks.
Q70: Which of thfollowing is TRUof insects?
A)Insects have
Q71: Thtubfeet of sea stars aruseprimarily for
A)excretion of
Q72: Which of thfollowing statements is NOT true?
A)All
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
Q77: A water-vascular systethat operates thtubfeet is characteristic
Q78: Which of thfollowing organisms is not an
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