Evolution of Animal Diversity Chapter 18 Animal Evolution Basics Animal Evolution was rapid, occurring ~ 600 million years ago (Precambrian Era) Evidence suggests that animals…

UNIT QUESTIONS 1. How did the tetrapod leg evolve? 2. Why did early animals move from water to land? How did amphibians transition from life in water to life on land? What…

Keri Massie and Emily Williamson Biology 425, Spring 2009 Introduction many theories about the evolution of hibernation (Kemp, 2005) None have extra-ordinary evidence supporting…

Sumer Shell plaque from 'Queen' Puabi's Grave Shell plaque from 'Queen' Puabi's Grave Ur, southern Iraq, about 2600-2400 BC Presumed to have…

CHAPTER 32 AN INTRODUCTION TO ANIMAL EVOLUTION -What is an Animal? -Two Views of Animal Diversity -The Origins of Animal Diversity Animal life began  in Precambrian seas…

Adaptations and Traits of Organisms Final Assessment-Animal PowerPoint Whale Shark By: Henry Cox 2013 Mammals Blue Whale Have fur or hair Are warm blooded Give live birth…

Slide 1 1 Class Roadmap I. Introduction to Zoology A. What is an Animal? Animal life began in Precambrian seas with the evolution of multicellular forms that lived by eating…

Early Man Hunter-Gatherers Earliest form of human society- practiced greatly for 2 Million Years. Hunters tracked and killed large game or small animals. Gatherers foraged…

Chapter 15 Chapter 15 Animal Evolution Animal Origins Animals are multicellular heterotrophs that ingest their food. No cell walls Most reproduce sexually, some reproduce…

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