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All About Mitosis and Meiosis

Elizabeth R.C. Cregan

出版社：Teacher Created Materials

出版时间：2008-02

ISBN：9780743905855

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页数：32

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内容简介

Many organisms are multicellular, which means they have many cells—even trillions! The cells work together to help the organism do things such as create energy, reproduce, and get rid of waste.

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