The preoperational period takes place between 2 and 7 years of age

As a door opens toward you, you perceive it as a rectangular door rather than going through actual image changes on the retina (from rectangular to trapezoid). This is an example of

a. perceptual closure. b. shape constancy. c. ambiguous stimuli. d. retinal disparity.

Sex is considered homeostatic and necessary for individual survival

Indicate whether this statement is true or false.