Glencoe Biology

Section 2: Invertebrate Chordates

Self-Check Quizzes

1
____ evolved into gills used for gas exchange in water.
A)thyroids
B)Pharyngeal slits
C)notochords
D)mouths
2
How do invertebrate chordates differ from other chordates?
A)are not deuterosomes
B)contain vertebrate
C)do not have coeloms
D)lack vertebral column
3
Which structure enables a motion that is an important evolutionary development?

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A)notochord
B)mouth
C)pharyngeal pouches
D)ancestral thyroid gland
4
Sac-shaped invertebrate chordates that lose chordate features in adulthood are called ____.
A)sea stars
B)lancelets
C)urchins
D)tunicates
5
What does this cladogram indicate?

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A)evolution of fish
B)evolutionary relations of echinoderms
C)possible phylogeny of invertebrate chordates
D)evidence that amphibians are invertebrates
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