Whether the sponges are less successful or “highly evolved” than other animal groups. Concept introduction: Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth. They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

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Answer 1

Question

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

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Answer 2

Question

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

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Answer 3

Question

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

Expert Solution & Answer

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Answer 4

Question

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

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Answer 5

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

Answer 6

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

Answer 7

Chapter 27.1, Problem 2CC

Summary Introduction

To explain:

Whether the sponges are less successful or “highly evolved” than other animal groups.

Concept introduction:

Sponges belong to phylum “Porifera”. They are considered as basal animals as they were the first animal to have evolved on earth.

They are the most primitive animals with cellular level of organisation. They lack true tissues, but contain specialized cells for carrying out various activities. They are filter feeders.

Answer 8

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Answer 9

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Answer 10

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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 sponges are highly evolved species. They are basal animals with cellular level of organisation, lack true tissues, and contain specialized cells for carrying out various activities.

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Chapter 27 Solutions