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Fish Classification Quiz

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Questions and Answers

Which of the following is NOT included in the definition of a fish?

Lampreys

Bony fish

Hagfish

Sharks (correct)

What percentage of living fish species are ray-finned fish?

99%

50%

95% (correct)

During which period did the first fish with jaws appear?

Paleozoic era

Silurian period (correct)

Cambrian period

Cretaceous period

What allowed the soft-bodied chordates to be more agile than their invertebrate counterparts?

<p>Notochords</p> Signup and view all the answers

What did many fish of the Paleozoic era develop as protection against predators?

<p>External armor</p> Signup and view all the answers

Fish Classification Quiz

Choose a study mode

Podcast

Questions and Answers

Which of the following is NOT included in the definition of a fish?

What percentage of living fish species are ray-finned fish?

During which period did the first fish with jaws appear?

What allowed the soft-bodied chordates to be more agile than their invertebrate counterparts?

What did many fish of the Paleozoic era develop as protection against predators?

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