Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Question

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Answer 1

Question

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.

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Answer 2

Question

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.

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

Answer 3

Question

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.

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Answer 4

Question

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.

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

Answer 5

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.

Answer 6

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.

Answer 7

Chapter 15, Problem 1SQ

Summary Introduction

Concept Introduction: Species are populations that can interbreed amongst themselves. Species can be Isolating mechanism act on the species. Isolating mechanisms shows that sometimes species cannot interbreed due to geographic barriers and that later lead to evolution.

Answer 8

Expert Solution & Answer

Answer to Problem 1SQ

Correct answer: “Species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated.” Therefore, option b. is correct

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reasons for correct statement:

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms. Reproductive isolating mechanisms lead to speciation. Reproductive isolation is of two types: prezygotic and postzygotic isolations. They might have overlapping geographical areas but still cannot interbreed and even if it occurs, the resulting offspring are sterile.

Option b. is given as “reproductively isolated”

As, species that have overlapping geographic ranges but do not interbreed in nature are said to be reproductively isolated, option b. is correct.

Reasons for the incorrect statements:

Option a. is given as “geographically isolated”.

In geographical isolation, the two species will not have overlapping geographical areas. So, option a. in incorrect.

Option c. is given as “influenced by genetic drift”.

Genetic drift occurs in small populations that are separated from the main population from which they migrated. So, option c. is incorrect.

Option d. is given as “hybrids”.

When two different species of the same genus that intra-breed they produce hybrids that are sterile. So, option d. is incorrect.

Hence, options a., c., and d. are incorrect.

Answer 12

Conclusion

Reproductive isolations prevent the species that earlier interbred to interbreed again post reproductive isolating mechanism that is part of natural evolutionary mechanisms.