| http://www.w3.org/ns/prov#value | - Here are some examples of characteristics that are used in classification: has fur or skin, is warm-blooded or cold-blooded, has a backbone or not, lives in water or on land, and eats plants, animals, or both. (See if your children can come up with other characteristics that could be used in classification.) The very last level of the classification system only has animals that all look and act al
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