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Assertion (A) : New species develop from...

Assertion (A) : New species develop from the existing species known as speciation.
Reason (R) : Different species can breed together and produce fertile offspring.

A

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

B

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

C

Assertion (A) is true but reason (R) is false.

D

Assertion (A) is false but reason (R) is true.

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The origin of new species from an existing species is called_____.

Name the phenomenon which prevents individuals of two different species from interbreeding to produce fertile offsprings.

Knowledge Check

  • New species develop due to

    A
    Isolation and mutation
    B
    Competition and mutation
    C
    Isolation and competition
    D
    Isolation and variation

  • The origin of species from pre-existing species is:

    A
    mutation
    B
    Isolation
    C
    polyploidy
    D
    speciation

  • Formation new species from pre-existing ones is

    A
    Mutation
    B
    Speciation
    C
    Isolation
    D
    Polyploidy

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    The formation of two species from one ancestral species is known as

    Assertion. Members of a species breed only with others ,of the same species. Reason. In some cases, members of different species may also breed, producing sterile or fertile offspring.

    Assertion (A): Speciation is the process of formation of a new species from a pre-existing one. Reason (R): Mutation plays a role in speciation

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