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10 Questions

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Darwinism: Theory of Natural Selection

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Questions and Answers

What is the main cause of isolation in animals according to the passage?

Geographical barriers such as high mountains, rivers, forests, and deserts (correct)

Differences in behavior and characters among organisms

Separation of animals into different groups and sub-populations

Evolution of new species from ancestors

What is the primary mechanism through which natural selection causes evolution according to the passage?

Emergence of new species in the same geographical area

Combination of various factors, not just natural selection

Influence on useful genes and neglecting others (correct)

Direct change in the organisms

Which type of speciation is described as the 'emergence of new species in a population that occupy same geographical area'?

Polyploidy

Allopatric speciation

Geographical isolation

Sympatric speciation (correct)

What is the definition of polyploidy according to the passage?

The organisms that consist of two sets of chromosomes Signup and view all the answers

Which type of speciation is described as 'the kind of speciation resulting from geographical isolation/separation where two species evolve in different place'?

Allopatric speciation Signup and view all the answers

According to the passage, which of the following is NOT a factor that causes evolution?

Speciation Signup and view all the answers

What is the primary role of natural selection according to the passage?

Influencing useful genes and neglecting others Signup and view all the answers

Which of the following is NOT a type of speciation mentioned in the passage?

Parapatric speciation Signup and view all the answers

According to the passage, what is the main consequence of isolation in animals?

All of the above Signup and view all the answers

Which of the following best describes the relationship between natural selection and evolution according to the passage?

Natural selection is one of many factors that influence evolution, but does not directly cause it Signup and view all the answers