Mammals
- Mammals are vertebrates, which means that they have spines
- They have hair or fur and produce milk to feed their young
- Mammals are also warm-blooded
- Examples of mammals are elephants, lions, and panda bears
Birds
- Birds, too, are vertebrates and warm-blooded
- They lay eggs and are covered with feather
- Most can fly, however, the ostrich adn penguin cannot
- Examples are eagles, robins, and cardinals
Fish
- Most fish are cold-blooded and live in water
- They all have fins and lay eggs
- Fish can breathe underwater because they have gills
- Fish can live in fresh-water lakes, salt-water oceans, or tap-water fish bowls
- Examples are catfish, bass, and clownfish
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