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Are there any unique plants or animals only found in lake Baikal?

Animals and plants found thousands of years ago and not seen now?

  • science question. ugh. what might be some reasons why we dont see the same animals and plants on earth today that could be found thousands of years ago? [at least 3 reasons for extinction]

  • Answer:

    Extinction is a natural part of evolution. The most significant cause of extinction in the recent past is loss of habitat, due to things like climate change, human encroachment and land use (agriculture, pollution), and hunting in the last several thousands of years. If we extend the scale to millions of years then you can include things like volcanism, plate tectonic processes that cause major changes in climate, and of course the meteorite impact.

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Natural disasters , as in the case of dinosaurs.(mass extinctions) Changing climatic condition where the animals and plants which can adapt best survive and the rest might become extinct. In recent times the introduction of exotic species to an ecosystem can result in extinctions if the introduced species is a predator as the prey has very little time to adapt . An example would be the introductions of cats to New Zealand might have contributed to the extinction of the Dodo. Although im not sure if thats right , just giving you an example

ktazars

reach class sixth text books and there is simple answers

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