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19 January, 13:20

Which of the following represents change to an ecosystem brought about by abiotic factors? A) the increase in plant populations due to human activities B) the increase in a predator population due to the increase in prey population C) the decrease in plant species due to herd grazing D) the extinction of a plant species due to disease E) the decrease in plant populations due to a decrease in the available water supply

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Answers (2)
  1. 19 January, 13:56
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    The answer is E.

    Abiotic factors are nonliving things in an environment. Water is an abiotic factor, and its decrease causes change in an ecosystem.
  2. 19 January, 14:46
    0
    E) the decrease in plant populations due to a decrease in the available water supply

    Explanation:

    In the ecosystems, there are two types of factors interacting all of the time. Abioticand Biotic. "Bio" means life so "abiotic" is non-living, while "biotic" is living.

    In the possible answers provided, all the alterations are provoque by biotic factors except one:

    A) the increase in plant populations due to human activities (Biotic)

    B) the increase in a predator population due to the increase in prey population (Biotic)

    C) the decrease in plant species due to herd grazing (Biotic)

    D) the extinction of a plant species due to disease (Biotic)

    E) the decrease in plant populations due to a decrease in the available water supply (Abiotic)
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