100 Forest isolated into fragment 80 60 40 20- 0+ 1980 1985 1990 1995 Year Species

How do the species in desert interact with one another?

Why are species that live at the tops of mountains at increased risk of extinction due to climate change?   a. The colder temperatures at the tops of mountains gradually increase, and the species at the tops of the mountains are displaced by species at lower elevations moving up.    b. The species at the tops of the mountains are adapted to moving up and down the mountains and species at lower elevations are displacing them as they move down the mountains.    c. The species at the tops of the mountains are adapted to lower oxygen and climate change increases oxygen content in the air.    d. Species at the tops of mountains do not have the genetic diversity for adaptation that lower-elevational species do. Therefore species at the tops of the mountains are more likely to go extinct.

what is background extinction rate