A Region Has a Relatively Small Area and a Climate

Multiple Choice

A region has a relatively small area and a climate with extreme wet and dry cycles during the year.As climate change progresses, the dry cycles are becoming longer, with essentially no wet cycle during some years.Based on the species diversification rate hypothesis, what future trend might be expected in the processes of speciation and extinction?

A) Both speciation and extinction will likely increase.
B) Both speciation and extinction will likely decrease.
C) Neither speciation nor extinction is likely to change.
D) Speciation will likely increase and extinction will decrease.
E) Speciation will likely decrease and extinction will increase.