During which stage of pregnancy is the developing baby most susceptible to damage from harmful agents like drugs or alcohol?

Which of the following sentences best describes the relationship between culture and perception?

A) our perceptual rules are inborn and not affected by culture. B) perceptual rules are culturally based, so rules that apply to one culture rarely apply to another. C) most perceptual rules apply in all cultures, but some perceptual rules are learned and vary between cultures. D) slight variations in sensory apparatuses among cultures create slight differences in perception E) the processes involved in perception are genetically based, some genetic differences among cultures affect perception.

The suprachiasmatic nucleus is found in the ____

a. substantia nigra b. caudate nucleus c. thalamus d. hypothalamus