The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food. All animals are heterotrophs as they depend on other organisms for their food.

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Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

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Answer 2

Question

Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

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Answer 3

Question

Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

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Answer 4

Question

Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

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Answer 5

Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

Answer 6

Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

Answer 7

Chapter 23, Problem 8SA

Summary Introduction

Introduction:

The environment is composed of a variety of organisms. Animals are the most complex living organisms. They are eukaryotes as they contain a well-defined nucleus enclosed in a nuclear membrane. Animals do not contain a cell wall and they cannot prepare food.

All animals are heterotrophs as they depend on other organisms for their food.

Answer 8

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Answer 11

Ch. 23 - An ______ develops from a two-layer embryo. a. sea...Ch. 23 - A great adaptive radiation of animals that...Ch. 23 - Prob. 3SA Ch. 23 - Prob. 4SA Ch. 23 - Prob. 5SA Ch. 23 - Prob. 6SA Ch. 23 - Prob. 7SA Ch. 23 - Prob. 8SA Ch. 23 - The ______ include the only winged invertebrates....Ch. 23 - Prob. 10SA

Solution Summary: The author explains that animals are eukaryotes with a well-defined nucleus and cannot prepare food. Protosomes and deuterostomes contain the most species.

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Chapter 23 Solutions