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Animals: Vertebrates and Invertebrates Discuss this eTheme

These sites explain how vertebrates and invertebrates are classified in the animal kingdom. There is information about the five groups of vertebrates (fish, amphibians, reptiles, birds, and mammals) and the seven phylum of invertebrates (sponges, coelenterates, echinoderms, worms, mollusks, and arthropods). Includes games that have students guess a type of animal based upon clues about its characteristics. For more information about specific animal species, browse our alphabetical listing of eThemes animal topics.

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创建日期: 2003年9月15日 11:48 | 更新日期: 2012年10月11日 15:48