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All About Animals
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6 Different Animal Groups
birds fish insects mammals amphibians reptiles
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Birds
All birds have feathers, but not all birds can fly.
All birds have beaks and wings. Birds live in a nest. Birds are warm-blooded. All birds hatch from eggs. All birds breathe with lungs.
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Fish
All fish breathe with gills. All must must live in water. Fish are cold-blooded animals. Some fish lay eggs while other fish
have live babies.
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Insects
Insects must have six legs. Insects have three body parts called the
head, thorax, and abdomen. Insects must have wings and antennae. A hard shell called an exoskeleton
covers all insects.
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Mammals
Mammals give birth to live babies. The mammals babies’ drink milk from
their mothers. Mammals use lungs to breathe. Hair covers mammals’ bodies. All mammals are warm-blooded.
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Amphibians
Amphibians are animals that are born in water and grow to live on land.
They have smooth, wet skin. Amphibians are cold-blooded. Amphibians lay eggs in water. Amphibians breathe with gills when small,
and then with lungs when they are adults.
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Reptiles
Reptiles have dry, scaly skin. Reptiles are cold-blooded. Reptiles breathe air through lungs. Most reptiles lay eggs. Reptiles have short legs or no legs at
all.
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