Glencoe Biology

Chapter 27: Echinoderms and Invertebrate Chordates

Chapter Test Practice-English

1
____ evolved into gills used for gas exchange in water.
A)thyroids
B)Pharyngeal slits
C)notochords
D)mouths
2
The ____ system contains fluid-filled tubes that enable echinoderms to move and get food.
A)water-vascular
B)ampulla
C)gill
D)excretion
3
Echinoderms utilize ____ for respiration.
A)diaphrams
B)breathing
C)carbon dioxide intake
D)oxygen diffusion
4
How do invertebrate chordates differ from other chordates?
A)are not deuterosomes
B)contain vertebrate
C)do not have coeloms
D)lack vertebral column
5
Most echinoderms reproduce ____.
A)internally
B)asexually
C)sexually
D)non-genetically
6
Sac-shaped invertebrate chordates that lose chordate features in adulthood are called ____.
A)sea stars
B)lancelets
C)urchins
D)tunicates
7
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
8
What happens when an echinoderm's ampulla muscles contract?
A)The tube foot shrinks.
B)Water is forced into tube foot.
C)The tail swings.
D)Water-vascular system is shut off.
9
Which of these statements is true, based on this evolutionary tree?

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A)Echinoderms and chordates have similar gastrula developmnent.
B)Echinoderms and chordates lack body cavities.
C)Echinoderms and chordates are protostomes.
D)Echinoderms and chordates have no ancestral protist.
10
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
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