Animal Classes
Take a trip to the zoo and you'll see how distinctly different animals are. You'll see animals of all sizes and colors, animals on land and in water, and animals with fur, scales, and feathers. In this series, discover how members of the animal kingdom are grouped into classes based on their similar characteristics.
Titles
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Some animals lead a double life. First, they pose as aquatic creatures, breathing through gills and using tails to maneuver underwater. Then they exchange these features for legs and lungs to
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Compare a hummingbird and an ostrich; the differences are striking! One is tiny and hovers in the air like a helicopter. The other is massive and stays grounded, sprinting rather than flying.
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Underwater, a large, lively community of unique animals thrives. Many of these animals belong to the fish class. There are colorful clownfish, lurking sharks, and silly sea horses. There are…
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Members of the insect class often get a bad rap. People swat at them, stomp on them, and go to great lengths to repel them. Though some insects are pests that spread disease, many are…
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The largest animal alive is a mammal. It's the 150-ton blue whale. This whale is not only large but also loud—louder than a jet engine! Turn the pages of this book to learn about the…
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Dinosaurs, the world's most notorious reptiles, became extinct a long time ago. However, their cold-blooded, scaly reptile relatives still creep around today. While people no longer have to…
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