Which of the Following Is a True Statement

Once a climax community develops,is it likely to remain that way indefinitely? A) No; over long-term timescales climate change will probably occur, causing the community to eventually change. B) No; once a climax community develops, the lack of biotic variability eventually degrades the habitat. C) Yes; once a climax community develops, it will always remain undisturbed. D) Yes; climax communities become so stable that they prevent disturbances from occurring.

Which of the following can occur when the climate of an area changes? A) Natural selection usually causes the community to adapt and survive the change with little visible effect. B) The area becomes uninhabitable to all species and is abandoned. C) The community may relocate to an area with a climate similar to that of the original location. D) Continental drift restores communities to climates similar to those from which the communities came.