When Sleep Researchers Have Studied Humans and Other Species They

Multiple Choice

When sleep researchers have studied humans and other species they found that

A) only the higher mammals,such as humans,the great apes,and bottlenose dolphins experience REM sleep.
B) moles,because they can hardly move their eyes at all,are unable to experience REM sleep.
C) only humans experience REM sleep.
D) nearly all mammals,with perhaps the exception of bottlenose dolphins and the porpoises,experience REM sleep.