Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

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Chapter 22, Problem 2TY

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Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

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In a comparison of birds and mammals,the condition of having four limbs is(A) a shared ancestral character.(B) a shared derived character.(C) a character useful for distinguishing birdsfrom mammals.(D) an example of analogy rather than homology.

A cat has front legs, and a bird has wings. Are these front legs and wings an example of homologous structures, or an example of analogous structures? Briefly explain your choice.

a) Based on this tree is the chicken, mouse, human, or hamster most closely related to the bat? b) Which of the following statements is NOT true? -chicken, dogs, and humans share a common ancestor -mice are more closely related to bats than they are to bears -macaques are equally related to humans and chimpanzees c) Which of the following statements is NOT true? - bears are equally related to tarsiers and humans - tarsiers are more related to dogs than they are to bats - chickens are more closely related to bats than they are to chimpanzees - tigers, dogs, and bears form a monophyletic group

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Chapter 22, Problem 2TY

Summary Introduction

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

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Answer 3

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Chapter 22, Problem 2TY

Summary Introduction

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

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Answer 4

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Chapter 22, Problem 2TY

Summary Introduction

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

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Answer 5

Chapter 22, Problem 2TY

Summary Introduction

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

Answer 6

Chapter 22, Problem 2TY

Summary Introduction

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

Answer 7

Chapter 22, Problem 2TY

Summary Introduction

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

Answer 8

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Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

Solution Summary: The author explains that butterfly wings are not homologous to the other given options.

Concept explainers

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Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

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Chapter 22 Solutions

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

Solution Summary: The author explains that butterfly wings are not homologous to the other given options.

Concept explainers

Videos

Introduction: Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).

Want to see the full answer?

Chapter 22 Solutions

Introduction:

Structures present in different organisms having the same ancestor or origin are called homologous. They do not always perform the same function. There are many structures in the nature that has same origin and same functions (sometimes).