Many species are introduced outside their normal ranges deliberately, for specific purposes.Some of these (such as the honey bee) integrate into natural communities; others (such as the gypsy moth) reproduce out of control, become pests, and are defined as "invasive." Which of the following could be a difference in the way these two categories of introduced species changed a community's structure?
A) Only invasive introduced species participated in the native food web.
B) Only noninvasive introduced species participated in the native food web.
C) Only invasive introduced species seriously harmed native species.
D) Only noninvasive introduced species seriously harmed native species.
E) Only noninvasive introduced species overpopulated or outcompeted native species.

Question

Quizplus · Accepted Answer

Only invasive introduced species seriously harmed native species. Noninvasive species may integrate into the native food web without causing harm, but invasive species outcompete native species for resources and disrupt the balance of the ecosystem, leading to serious harm to native species.

Many Species Are Introduced Outside Their Normal Ranges Deliberately, for Specific