Question

How do invasive species affect the ecosystem they invade ?

Answer 1

Answer:

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Explanation:

For a species to become invasive, it must successfully out-compete native organisms, spread through its new environment, increase in population density and harm ecosystems in its introduced range. ... A good predictor of invasiveness is whether a species has successfully or unsuccessfully invaded elsewhere.

Answer 2

Answer:

Invasive species can change the food web in an ecosystem by destroying or replacing native food sources. The invasive species may provide little to no food value for wildlife. Invasive species can also alter the abundance or diversity of species that are important habitat for native wildlife.