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.
Approach used to determine the evolutionary relationships among many animal species using molecular
Species richness increases with island size.
Species richness decreases with distance from the source pool.
Species currently endangered in Canada include (a) the Burrowing Owl, Athene cunicularia; (b) Taylor
In some species, dominant females have more surviving offspring that mature earlier indicating an ad
Nutrias native to South America are abundant in freshwater marshes of the Gulf States. Their populat