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Glossary

evolved:

Gradually changed from one generation to the next.

mammals:

Warm-blooded animals that have hair or fur and usually
give birth to live babies. Female mammals produce milk
to feed their young.

predators:

Animals that hunt other animals for food.

prey:

Animals that are hunted by other animals for food.

species:
One of the groups into which similar animals and plants

are divided.

venom:

Poison produced by some snakes and spiders.

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