The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms. Concept introduction: Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

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Answer 1

Question

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

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Answer 2

Question

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

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Answer 3

Question

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

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Answer 4

Question

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

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Answer 5

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

Answer 6

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

Answer 7

Chapter 21.9, Problem 4MC

Summary Introduction

To determine:

The strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

Concept introduction:

Echinoderms are the invertebrate chordates included under the largest clade characterized by bilateral symmetry and three germ layers. Echinoderms are deuterostomes that means anus develops from the first opening in the embryo at gastrulation. Echinoderms have spiny skin and water vascular system, which distinct them from other animals. Sea star and starfish are examples of echinoderms.

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 the strategy used for feeding, exchange of gases, sensing the environment, excretion, locomotion, reproduction and protection in echinoderms.

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