LAUNCHPAD F/WHAT IS LIFE
4th Edition
ISBN: 9781319231897
Author: PHELAN
Publisher: Macmillan Higher Education
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Question
Chapter 13, Problem 2SA
Summary Introduction
To review:
To identify the common ancestor of all animals and the reason how we know that is true.
Introduction:
Animals are organisms that share three characteristics: all of them eat other organisms, all can move during at least one stage of their development, and all are multicellular. About two-thirds of the almost two million species on earth are animal.
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