My thought process is that, after enough time, an invasive species of some plant or animal would find its way into its new ecosystem, and properly become a part of the ecological cycle? Does this ever happen? Maybe it just needs far more time to do so?
In: Biology
It would, but in the process it would displace other species. Those other species might become extinct. Species that eat those other species might become extinct. Eventually you would have a much smaller number of species, distributed all over the world. If you like biodiversity, this would be bad.
Some invasive species are a threat to agriculture. If a plant isn’t edible, but outcompetes edible plants, that’s obviously going to cause problems for us.
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