The bottle brush plant is a stiff upright bush that can grow to 15 feet in height. The red flowers cluster on the end of the stems and grow in the shape of a bottle brush.
Definition of conditioning. 1 : the process of training to become physically fit by a regimen of exercise, diet, and rest; also : the resulting state of physical fitness.
Classical conditioning is a type of learning in which an organism comes to associate stimuli. In classical conditioning, an NS is a stimulus that elicits no response before conditioning. A UR is an event that occurs naturally (such as salivation), in response to some stimulus.