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Chapter 1: Animals

Difficulty Level: At Grade Created by: Chris Ranker
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Introduction

Diversity of Animals. These photos give just an inkling of the diversity of organisms that belong to the animal kingdom. (A) Sponge (B) Flatworm (C) Flying Insect (D) Frog (E) Tiger (F) Gorilla.

What traits do all animals share? And is their behavior innate or learned?

There is great variation among species that make up the animal kingdom. Some of this variation is shown in Figure above. Despite the variation, there are a number of traits that are shared by all animals. The fact that all animals have certain traits in common shows that they share a common ancestor.

Chapter Outline

Chapter Summary

Summary

Animals. Currently the end of the line for evolution. But there are all sorts of animals, from the extremely simple to the outrageously complex. Animals introduces the basic characteristics of animals, and discusses their classification and their behaviors.

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Difficulty Level:
At Grade
Grades:
Date Created:
Nov 14, 2012
Last Modified:
Nov 14, 2012
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