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Animals that have a backbone or spine.

• Vertebrates

• Invertebrates

This group of animals has live births and gives milk to their young.

• Fish

• Reptiles

• Mammals

• Amphibians

Most birds have all of the following characteristics EXCEPT...

• Lay eggs

• Have feathers

• Have hollow bones

• Are cold blooded

Fish breathe underwater using their _________.

• Scales

• Gills

• Lungs

• Noses

Which group of animals lives a "double life" because they live in the water when young and on land as adults?

• Fish

• Mammals

• Reptiles

• Amphibians

This group of animals have dry, scaly skin and breathe with lungs.

• Reptiles

• Fish

• Mammals

• Amphibians

To sort animals into groups.

• Classify

• Habitat

• Vertebrates

• Metamorphosis

An environment or place where animals live.

• Classify

• Habitat

• Vertebrates

• Metamorphosis

If an animal is warm blooded, their body temperature will remain the same even if the weather outside changes.

• True

• False

Cold blooded means that if the weather outside is freezing cold or boiling hot, an animal's body will not change temperature.

• False

• True