Biology: The Dynamics of Life, California 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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