If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period. Concept introduction: Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

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Answer 1

Question

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

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Answer 2

Question

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

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Answer 3

Question

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

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Answer 4

Question

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

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Answer 5

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

Answer 6

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

Answer 7

Chapter 32.2, Problem 2CC

Summary Introduction

To determine: If the common ancestor of fungi and animals used to live 1 billion years ago and whether the first fungi lived 990 million years ago, and whether the extant animals survived at that period.

Concept introduction:

Certain phylogenetic analyses have speculated that all the fungi, sponges, and other animals have evolved from protists. The early protists were single-celled and flagellated. They evolved between 1.6 to 2.7 billion years ago. The common ancestor protist diverged into fungi and animals.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 32.1 - Summarize the main stages of animal development....Ch. 32.1 - WHAT IF? What animal characteristics would be...Ch. 32.2 - Put the following milestones in animal evolution...Ch. 32.2 - Prob. 2CC Ch. 32.2 - MAKE CONNECTIONS Evaluate whether the origin of...Ch. 32.3 - Distinguish the terms grade and clade.Ch. 32.3 - Compare three aspects of the early development of...Ch. 32.3 - Prob. 3CC Ch. 32.4 - Prob. 1CC Ch. 32.4 - WHAT IF? Suppose ctenophores are basal metazoans...

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