Many introduced species have deleterious effects on communities and ecosystems because ____.
A) coevolved parasites and pathogens are absent
B) the introduced species are long-lived
C) predators prefer the introduced species, resulting in proliferation of native prey species
D) the community from which they came lost an important predator, competitor, or parasite
E) human beings do not know how to appreciate them

Question

​Many introduced species have deleterious effects on communities and ecosystems because ____.
A) ​coevolved parasites and pathogens are absent
B) ​the introduced species are long-lived
C) ​predators prefer the introduced species, resulting in proliferation of native prey species
D) ​the community from which they came lost an important predator, competitor, or parasite
E) human beings do not know how to appreciate them​

Quizplus · Accepted Answer

Introduced species often lack their natural predators, competitors, or parasites in new environments, which can allow them to proliferate unchecked, often to the detriment of native species and ecosystems.

​Many Introduced Species Have Deleterious Effects on Communities and Ecosystems

Many Introduced Species Have Deleterious Effects on Communities and Ecosystems