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7th grade science

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Hatchery fish populations often have less genetic biodiversity than wild populations. How much lowered biodiversity affect a fish population's ability to adapt to environmental disasters such as the pollution disaster described in this simulation(factory waste killing algae)?

  • 7th grade science -

    Having a greater biodiversity means that some of a population are likely to survive a pressure on the population that kills or reduces the life span of the majority.

    If there is reduced biodiversity then it is possible that none of the population may survive.

    Provided that the trait that causes the part of the population to survive is inheritable, then the population will adapt if the pressure on survival continues. If the event was a one off it is likely that over generations the population will drift to close to the original genetic mix.

    Hope this helps

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