To enlist: Two criteria for assessing which group have been more successful including fishes and tetrapods. Concept Introduction: Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

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Answer 1

Question

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

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Answer 2

Question

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

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Answer 3

Question

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

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Answer 4

Question

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

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Answer 5

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

Answer 6

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

Answer 7

Chapter 21, Problem 18WIO

Summary Introduction

To enlist:

Two criteria for assessing which group have been more successful including fishes and tetrapods.

Concept Introduction:

Fishes and tetrapods are the member of family chordates. The unique characteristic of this group of animal is that they contain a notochord, a hollow nerve cord, pharyngeal slits and a post anal tail. Fishes live in water whereas tetrapods live both on land and water. Fishes use gills for exchange of gases. Terapods use lungs to respire.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 21.1 - Prob. 1MC Ch. 21.1 - Prob. 2MC Ch. 21.1 - Prob. 3MC Ch. 21.1 - Prob. 4MC Ch. 21.1 - Prob. 5MC Ch. 21.1 - What advantages does segmentation confer?Ch. 21.1 - Prob. 7MC Ch. 21.2 - Prob. 1MC Ch. 21.2 - Prob. 2MC Ch. 21.2 - Prob. 3MC

Solution Summary: The author explains that fishes and tetrapods are members of the family chordates. They have a notochord, hollow nerve cord, pharyngeal slits, and post

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