Why has Australia had so many problems with invasive species?



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    “Invasive species” is defined in terms as non-indigenous species (e.g. plants or animals) that adversely affect the habitats they invade economically, environmentally or ecologically. Specifically this includes both native and non-native species that heavily colonize a particular habitat. (Wikipedia) When a certain species is introduced in a region it is not adapted for, many times their evolutionary characteristics can affect the surrounding ecosystem negatively. Some examples can include a more rapid reproductive cycle, loss of predators, or less competition. This is apparent most in Australia, especially with the cane toad, red fox, and European rabbit. The introduction of these species combined with the loss of predators allowed these animals to flourish.

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