作业帮珊瑚的英文介绍
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/28 06:53:44
珊瑚的英文介绍
珊瑚的英文介绍
珊瑚的英文介绍
Corals are marine invertebrates in class Anthozoa of phylum Cnidaria typically living in compact colonies of many identical individual "polyps".The group includes the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton.
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