Why the evolution of multicellular organisms has led to the development of circulatory systems. Introduction: A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

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Answer 1

Question

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

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Find the dental formula and enter it in the following format: I3/3 C1/1 P4/4 M2/3 = 42 (this is not the correct number, just the correct format) Please be aware: the upper jaw is intact (all teeth are present). The bottom jaw/mandible is not intact. The front teeth should include 6 total rectangular teeth (3 on each side) and 2 total large triangular teeth (1 on each side).

Answer i

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Answer 2

Question

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

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Answer 3

Question

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

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Answer 4

Question

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

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Answer 5

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

Answer 6

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

Answer 7

Chapter 21, Problem 1SA

Summary Introduction

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Answer 8

Expert Solution & Answer

Explanation of Solution

Cells in a multicellular organism are not in direct contact with the external environment. This means that the exchange of gases, uptake of nutrients, expulsion of wastes and other such processes cannot be carried out in a simple, straightforward way. Simple diffusion, like in the case of unicellular organisms, is not enough to perform these functions. Dedicated delivery and waste removal systems became necessary. This is the reason for the development of the circulatory systems.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

In multicellular organisms, most of the cells of an organism are not in direct contact with the external environment. Diffusion cannot adequately transport essential nutrients and wastes into and out of the cells. A dedicated delivery and removal system became necessary, and this led to the development of circulatory systems.

Answer 12

Ch. 21 - Prob. 1SA Ch. 21 - Prob. 2SA Ch. 21 - Prob. 3SA Ch. 21 - Prob. 4SA Ch. 21 - Prob. 5SA Ch. 21 - Prob. 6SA Ch. 21 - Prob. 7SA Ch. 21 - Prob. 8SA Ch. 21 - Prob. 9SA Ch. 21 - Prob. 10SA

Why the evolution of multicellular organisms has led to the development of circulatory systems. Introduction: A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Videos

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Explanation of Solution

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Chapter 21 Solutions

Why the evolution of multicellular organisms has led to the development of circulatory systems. Introduction: A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Videos

To analyze: Why the evolution of multicellular organisms has led to the development of circulatory systems. Introduction: A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.

Explanation of Solution

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Chapter 21 Solutions

To analyze:

Why the evolution of multicellular organisms has led to the development of circulatory systems.

Introduction:

A circulatory system is responsible for transport of various substances through the body of the organism. There are various types of circulatory systems.