What has a direct effect on decreasing biodiversity? 

A)  non-native species introduction 
B)  moderate environmental disturbances 
C)  middle stages of succession 
D)  physically diverse habitats

Psychological scientists who are skeptical about multiple personality disorder provide several reasons for their stance. Which of the following is NOT one of those reasons?

A) Thorough consideration of the symptoms reveals that MPD is actually psychogenic amnesia.
B) Unreliable techniques, like hypnosis, may be creating the disorder through the power of suggestion.
C) Clinicians may be creating the disorder through the power of suggestion.
D) Media coverage of sensational cases has played a major role in fostering MPD diagnosis.