Which of the following best describes an invasive species?
A) Non-native species become invasive when they become established in a new area, taking over niches that were already occupied by native species.
B) An invasive species is any non-native introduced species, whether it becomes established or not.
C) Approximately 90 of all introduced non-native species become invasive species.
D) Dispersal, even if anthropogenic, is a normal biogeographic process and, therefore, no cause of alarm.
Question 2
Within the United States, the areas best suited for wind energy development are
A) the West Coast.
B) the Great Plains (central U.S.).
C) the East Coast.
D) the Appalachian Mountains.
E) the South, particular along the Florida peninsula.
Difficulties in applying the morphological species concept
Where mangrove diversity is high, mangrove species show clear patterns of vertical zonation relative
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Direct Two Species Interactions
Species formation