An invasive species can be any kind of living organism that is not native to an ecosystem and causes harm.TrueFalse

That invasive species can change the food web in an ecosystem by destroying or replacing native food sources is a direct threat. TrueFalse

An organism that enters a new area and displaces native species is a(n) species.

What kind of ecosystem are exotic species especially threatening to?Question 13Select one:a.desertsb.marine ecosystemsc.islandsd.tropical forests

Recall features that are likely to make an introduced animal species invasive. Select all that apply.

Which of the following is an example of a keystone species in an ecosystem?a.Beesb.Mossc.Oak treed.