Life Science: Animal Diversity, Book C

Section 1: Chordates and Vertebrates

Self-Check Quiz-Eng.

1.
In chordates called vertebrates, backbones partly or entirely replace the __________.
A)nerve cord
B)postanal tail
C)notochord
D)gill slits
2.
Which one of the following is a characteristic that only vertebrates have?
A)gill slits for filter feeding
B)brain
C)endoskeleton of bone or cartilage
D)nerve cord
3.
How would you expect the internal body temperature of an animal that is an endotherm to change on a cold winter day?
A)Its temperature should go up.
B)Its temperature should not change much.
C)Its temperature should go down.
D)Its body temperature should be 0ºC.
4.
Which group of vertebrates probably evolved from small, soft-bodied, filter feeders similar to present-day lancelets?
A)amphibians
B)reptiles
C)fish
D)chordates
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