3.3 Invasive Species

IB Environmental Systems & Societies: 3.3 Invasive Species

Invasive species are those which have been introduced into an environment to which they are not naturally found. If they become a problem, out-competing the native (endemic) species, then they are classed as invasive. This can have potentially catastrophic impacts on the ecosystems to which they have been introduced.Sometimes the species directly outcompete a similar species, e.g. the American Signal Cray Fish has almost...


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