To summarize: Fossil and DNA evidences documenting the origin and early diversification of animals. Concept introduction: Fossils are preserved remains, impression, traces of extinct organisms from past geological age. They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

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Answer 1

Question

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

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Provide a brief overview of the history of animal life on earth.

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Answer 2

Question

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

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Answer 3

Question

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

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Answer 4

Question

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

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Answer 5

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

Answer 6

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

Answer 7

Chapter 27.1, Problem 1CC

Summary Introduction

To summarize:

Fossil and DNA evidences documenting the origin and early diversification of animals.

Concept introduction:

Fossils are preserved remains, impression, traces of extinct organisms from past geological age.

They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.

Answer 8

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Answer 11

Ch. 27.1 - Prob. 1CC Ch. 27.1 - Prob. 2CC Ch. 27.2 - What is the Cambrian explosion? Why is it...Ch. 27.2 - Prob. 2CC Ch. 27.3 - Prob. 1CC Ch. 27.3 - WHAT IF? Would it be accurate to describe the...Ch. 27.4 - Prob. 1CC Ch. 27.4 - Describe two key adaptations of aquatic...Ch. 27.4 - MAKE CONNECTIONS The radiation of bilaterians in...Ch. 27.5 - Describe two adaptations that have enabled insects...

Solution Summary: The author explains that fossils and DNA evidences document the origin and early diversification of animals.

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