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High School Biology Practice Test: Animals (Fill in the blank)
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High School Biology Practice Test: Animals (Fill in the blank)
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10 Questions

1. Giving birth to live young is called ____________.

2. A bird’s ____________ contains stones that grind food.

3. The only tetrapod vertebrates to have a larval stage are ____________.

4. The hard tissue made of collagen and minerals such as calcium is ____________.

5. All animals with fur or hair are classified as ____________.

6. The mammalian organ that produces eggs is the ____________.

7. The vertebrate cranium encloses the ____________.

8. Nature-nurture refers to the effects on behavior of genes or the ____________.

9. Synapsids were amniotes that eventually gave rise to the vertebrate class of ____________.

10. Keeping eggs warm until they hatch is called ____________.

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