Scientists who study animals are called zoologists. They use a system called taxonomy to classify different kinds of living things, or organize them into groups. There are some things all animals have in common: They are made of cells, although their cells do not have cell walls like plant cells do. They also eat other organisms.
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ISBN | 9780743905930 |
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Sprache | eng |
Cover | Kartonierter Einband (Kt) |
Verlag | Teacher Created Materials |
Jahr | 20071214 |
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