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animals
The animal kingdom branches into the deuterostomes (mouth and anus develop separately) and the protostomes. Animals are multicellular and possess mitochondria, a complex nervous system, and cells protected by a membrane and filled with complex organelles. 75% of all the animal species are insects.
- 词性: noun
- 行业/领域: 生物学
- 类别 生态学
- Company: Terrapsych.com
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创建者
- Surus
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