The process of an ovum being fertilized by a sperm is called __________.
A. fertility
B. conception
C. ovulation
D. crossing over
Answer: B
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In the 1950s, James Olds used electrical stimulation on the brains of rats and discovered a. the aggressive center of the brain
b. the pleasure center of the brain. c. that rats did not like to have their brains electrically stimulated. d. that rats had no brains.
The metamorphosis of reaching and grasping behavior from phase I to phase II as described by Bower (1977) follows the general rule of motor development in occurring
A. cephalocaudally B. homolaterally C. contralaterally D. proximodistally
Which memory process lasts for up to 30 seconds without rehearsal?
a. sensory c. short-term b. trace d. long-term
Which of the following are basic emotions?
A) guilt, sadness, and fear B) happiness, anger, and disgust C) envy, guilt, and interest D) pride, surprise, and happiness