Biology: The Dynamics of Life, North Carolina Edition

Section 2: Invertebrate Chordates

Invertebrate Chordates

1
Which of these features is NOT a characteristic of a chordate?
A)a dorsal hollow nerve cord
B)an asymmetric body plan
C)a notochord
D)a postanal tail
2
What is the difference between vertebrate chordates and invertebrate chordates?
A)All vertebrate chordates are sessile and all invertebrate chordates are free-living.
B)All vertebrate chordates reproduce asexually; vertebrates reproduce by parthenogenesis.
C)All vertebrate chordates are filter feeders; invertebrate chordates are predators.
D)All vertebrate chordates develop a backbone but invertebrate chordates do not.
3
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Which structure shown in the only indicator that tunicates are chordates?
A)reproductive organs
B)mouth
C)gill slits
D)anus
4
Which of these is NOT a chordate?
A)tuna
B)sand dollar
C)lancet
D)sea squirt
5
Chordate embryos have __________.
A)an eyespot
B)pedicellariae
C)a notochord
D)tube feet
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