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Define population and community....

Define population and community.

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Population is a group of individuals of same species at the same time in a particular area that share the same gene pool.
Community - I is an assemblage of different species present in same area at the same time which shows interactions and inter dependence through trophic relationship.
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Knowledge Check

  • Community is

    A
    Group of independent, interacting populations of same species
    B
    Group of independent and interacting populations of same species in specific area
    C
    Group of independent and interacting populations of different species in a specific area
    D
    Group of independent and interacting populations of different species

  • In a growing population of a country,

    A
    pre-reproductive individuals are more than the reproductive individuals
    B
    reproductive individuals are less than the post reproductive individuals
    C
    reproductive and pre-reproductive individuals are equal in number
    D
    pre-reproductive individuals are less than the reproductive individuals

  • Assertion: Ecology is basically concerned with four levels of biological organisations. Reason: These are-organisms, populations, communities and biomes.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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