Ernie's muscles are not paralyzed when he is dreaming. as a result, he literally acts out his dreams, sometimes injuring himself in the process. ernie appears to suffer from:

Ernie appears to suffer from: Rapid eye movement (REM) behavior disorder.

Rapid eye movement (REM) behavior disorder is a sleep disorder in which an individual act out his dreams, followed by disturbing dreams with sounds and vicious movements of the arm and leg during sleep. REM behavior disorder can cause physical harm to the sleeping person, as well as to others. Symptoms of REM behavior disorder are movements such as punching, jumping from the bed, and making noises such as shouting, and laughing.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: