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

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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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.

Determine if the following pairs are HOMOLOGOUS STRUCTURES or ANALOGOUS STRUCTURES 1.) Bat wing and bird wing 2.) Dragonfly wing and hummingbrind wing 3.) Dragonfly wing and bumbleebee wing

Which of the following is not correct? A. The lung in the frog is homoplasious to the lung in the land snail B. The arm bones of Barak Obama are homologous to those of Donald Trump C. The hair of the tarantula is homoplasious to the hair on a platypus D. Bilateral symmetry in the frog and the snapdragon flower is homoplasious E. The dorsal fin of a shark and the dorsal fin of a dolphin are homologous.

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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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Answer 11

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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).

Want to see the full answer?

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).