Food Chains and Webs

ISBN: 9780756946944

作者: Lewis K·Parker

出版社: Perfection Learning

出版年: 2005-12

页数: 32

定价: $ 23.67

装帧: SAL

内容简介

Explore the food chains and webs in different environments. Find examples of producers, consumers, and decomposers. The balance of nature is what this book is all about.