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Questions and Answers
What percentage of fish species belong to the class Actinopterygii?
What percentage of fish species belong to the class Actinopterygii?
- 50%
- 5%
- 99%
- 95% (correct)
During which period did the first fish with jaws emerge?
During which period did the first fish with jaws emerge?
- Paleozoic era
- Cambrian period
- Silurian period (correct)
- Devonian period
What is the significance of tetrapods in relation to fish?
What is the significance of tetrapods in relation to fish?
- Tetrapods are a subcategory of mammals
- Tetrapods are a type of fish
- Tetrapods are not related to fish
- Tetrapods evolved from fish (correct)
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