The biological species concept defines species based on a. external appearance. b. the number of adaptations to the same habitat. c. ability to interbreed. d. DNA and protein sequences.

Question

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Answer 1

Textbook Question

Chapter 14, Problem 1MCQ

The biological species concept defines species based on

a. external appearance.

b. the number of adaptations to the same habitat.

c. ability to interbreed.

d. DNA and protein sequences.

Expert Solution & Answer

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Therefore, the concept of biological species defines a species based on the ability to breed.

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↑ LED Tt O Tt e 0 ✓ B > FLORES DIology Second Semester Review 7. Chi Square Analysis: wild dumpy male x ebony wild female F1: All wild wild F2: 142 wild wild males 52 wild ebony males 46 dumpy wild males 17 dumpy ebony males 151 wild wild females 47 wild ebony females 51 dumpy wild females 8 dumpy ebony females What pattern of inheritance is observed for body color? Autosomal recessive Autosomal dominant Sex-linked recessive Sex-linked dominant What are the genotypes of the parents in the P generation? a. XBYdd x XbXbDD b. Bbdd x bbDd c. BBdd x bbDD d. BBX Y x bbXDY How many flies in the F2 generation would you expect to express the dumpy wild phenotype? a. 289.125 b. 97 c. 96.375 d. 293

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Answer 2

Textbook Question

Chapter 14, Problem 1MCQ

The biological species concept defines species based on

a. external appearance.

b. the number of adaptations to the same habitat.

c. ability to interbreed.

d. DNA and protein sequences.

Expert Solution & Answer

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Therefore, the concept of biological species defines a species based on the ability to breed.

Want to see more full solutions like this?

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

Answer 3

Textbook Question

Chapter 14, Problem 1MCQ

The biological species concept defines species based on

a. external appearance.

b. the number of adaptations to the same habitat.

c. ability to interbreed.

d. DNA and protein sequences.

Expert Solution & Answer

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Therefore, the concept of biological species defines a species based on the ability to breed.

Want to see more full solutions like this?

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

Answer 4

Textbook Question

Chapter 14, Problem 1MCQ

The biological species concept defines species based on

a. external appearance.

b. the number of adaptations to the same habitat.

c. ability to interbreed.

d. DNA and protein sequences.

Expert Solution & Answer

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Therefore, the concept of biological species defines a species based on the ability to breed.

Want to see more full solutions like this?

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

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Therefore, the concept of biological species defines a species based on the ability to breed.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Therefore, the concept of biological species defines a species based on the ability to breed.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The biological species is defined as a population, or group of populations, the members of which can interbreed and produce fertile offspring. The formation of new species or speciation occurs when the members of a population are no longer successful in interbreeding with the rest of the group.

Answer 12

Answer to Problem 1MCQ

Correct answer:

The biological species concept defines species based on the ability to breed. Therefore, option (c) is correct.

Answer 13

Explanation of Solution

Reason for the correct statement:

Ernst Mayr, the Harvard biologist defines a biological species as a population, whose members can interbreed and produce fertile offspring.

Option (c) is given as “ability to interbreed”.

As, “the biological species defines the species based on ability to interbreed” is the right answer.

Hence, option (c) is correct.

Reason for the incorrect statements:

Option (a), is given as “external appearance”.

On the basis of external appearance the biological species cannot be defined as the organisms which belong to different groups of species are looks alike in external appearance. Hence, it is a wrong answer.

Option (b), is given as “the number of adaptations to the same habitat”.

On the basis of the number of adaptations to the same habitat a biological species cannot be defined as the adaptations may vary even in same groups of organisms in the same habitat. Hence, it is a wrong answer.

Option (d), is given as “DNA and protein sequences”.

On the basis of DNA and protein sequences a biological species cannot be defined as the genetic sequences present some ambiguity because they cannot reveal whether genetically similar organisms currently share a gene pool. Hence, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.