描述
Did you know that the hard structures in coral reefs are made of the skeletons of small animals called coral polyps? Algae give tropical corals their bright colors. Discover more intriguing facts in Coral Reefs, an Exploring Ecosystems book.
书籍详情
格式
平装书
页数
24 页
语言
英语
已发布
7月 15, 2015
出版商
Av2 by Weigl
ISBN-10
148962998X
ISBN-13
9781489629982