When a child reacts to an object's real size, rather than to the size of the retinal image, then ____ is evident

The section of the frontal lobe responsible for voluntary movement is the ________

a. primary motor cortex b. association areas c. primary somatosensory cortex d. sensory projection areas

Among pygmy chimpanzees, about ________ percent of all observed sexual activity is between members of the same sex

a. 90 b. 70 c. 30 d. 50