Introducing alien species and their effect on native wildlife Flashcards Preview

(A) Biology (Biodiversity and Environment) > Introducing alien species and their effect on native wildlife > Flashcards

Flashcards in Introducing alien species and their effect on native wildlife Deck (2)
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1

What is an alien species?

An animal or a plant that has been introduced into a country that is does not originate from

2

What are 4 problems that alien species can cause?

~The alien species may have no predators in the area, and its population
may grow out of control.
~The alien species may compete with an existing species, causing it to die
out in the area. (E.g. animals compete for food; plants compete for light).
~The alien species may prey on existing species, reducing their number.
~The alien species may carry a disease that could affect the native
species.