Refer to the Graph Representing the WilsonMacArthur Theory of Island

Multiple Choice

Refer to the graph representing the WilsonMacArthur theory of island biogeography, which explains the speciesarea relationship. According to the graph, the number of species on an island reaches equilibrium when

A) immigration and extinction rates are zero.
B) immigration and extinction rates are equal.
C) immigration rates rise faster than extinction rates.
D) extinction rates rise faster than immigration rates.
E) islands are large and near continents, regardless of rates.