Which of the Following Best Describes an Invasive Species

question 101

Multiple Choice

Which of the following best describes an invasive species?

• A)Approximately 90% of all introduced non-native species become invasive species.
• B)Non-native species become invasive when they become established in a new area,taking over niches that were already occupied by native species.
• C)Dispersal,even if anthropogenic,is a normal biogeographic process and,therefore,no cause of alarm.
• D)An invasive species is any non-native introduced species,whether it becomes established or not.

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Definitions:

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