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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Answer 1

Question

Chapter 11, Problem 3SA

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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Answer 2

Question

Chapter 11, Problem 3SA

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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Answer 3

Question

Chapter 11, Problem 3SA

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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Answer 4

Question

Chapter 11, Problem 3SA

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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Answer 5

Chapter 11, Problem 3SA

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.

Answer 6

Chapter 11, Problem 3SA

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.

Answer 7

Chapter 11, Problem 3SA

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.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 11 - Prob. 1SA Ch. 11 - Prob. 2SA Ch. 11 - Prob. 3SA Ch. 11 - Prob. 4SA Ch. 11 - Prob. 5SA Ch. 11 - Prob. 6SA Ch. 11 - Prob. 7SA Ch. 11 - Prob. 8SA Ch. 11 - Prob. 9SA Ch. 11 - Prob. 10SA

Solution Summary: The author explains that animals share a common ancestor, an ancestral unicellular protist resembling sperm in size and shape.

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Chapter 11 Solutions