True or false? Some trails are considered vestigial because they existed long ago.

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Answer 1

Textbook Question

Chapter 22, Problem 1TYK

True or false? Some trails are considered vestigial because they existed long ago.

Expert Solution & Answer

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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Answer 2

Textbook Question

Chapter 22, Problem 1TYK

True or false? Some trails are considered vestigial because they existed long ago.

Expert Solution & Answer

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

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04:14

Answer 3

Textbook Question

Chapter 22, Problem 1TYK

True or false? Some trails are considered vestigial because they existed long ago.

Expert Solution & Answer

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

04:14

Answer 4

Textbook Question

Chapter 22, Problem 1TYK

True or false? Some trails are considered vestigial because they existed long ago.

Expert Solution & Answer

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

04:14

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

Answer 8

Expert Solution & Answer

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To review:

Correctness or Incorrectness of the statement “The traits that are considered vestigial because they came into existence long ago.”

Introduction:

The vestigial trait involves the structures that are incomplete or less developed in an organism that has reduced function or no function. These structures are often homologous to the normally functioning structures in closely related species or ancestral species.

Answer 12

Explanation of Solution

The vestigial traits are considered as the evidence of evolution, which justifies that certain characteristics of the species have changed with the progression of time. Vestigial traits are underdeveloped or reduced traits. These traits are considered vestigial only when they do not perform the similar function as that in the other species.

For example, the tailbone that is present in the humans has a reduced function. It is no more used for locomotion or to maintain the balance in humans. Appendix is a well-known vestigial human organ showing relation of humans with primate ancestors, part of digestion system associated with digestion of cellulose-rich plants. All the traits that existed long ago are not considered vestigial because they might perform a similar function, for which it was designed.

Answer 13

Conclusion

The statement is false because not all the traits that existed long ago are considered vestigial. Only those traits that have a reduced or no function, designed by nature are considered vestigial organs.

Answer 14

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True or false? Some trails are considered vestigial because they existed long ago.

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