Circadian rhythm evolved in plants, animals, insects, and human beings as an adaptation to ________
a. the many changes associated with the rotation of Earth on its axis.
b. the female menstrual cycle.
c. the bimonthly changes in the tides.
d. the cycle of the seasons.
Answer: a
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Xavier is under the demands of several stressors. Which hormones will help Xavier's body resist stress by making stored nutrients more available to meet the demands of his stressors?
a. corticosteroids b. corticotrophin-releasing hormone c. adrenocorticotropic hormone d. norephinephrine and epinephrine e. lymphocytes
A child is playing with plastic models of cows and horses on a toy farm. She takes some of the animals out of the field and places them in the barn exclaiming, "Oh my! Now the field is much bigger."
The child's perception is characteristic of the ______ stage. a. sensory-motor c. concrete operational b. preoperational d. formal operational
Stephen had a stroke, but he was rushed to the hospital in time to reverse most of the effects of the stroke. However, he did notice that he could no longer recognize his wife or family members by face. If his doctor performed an MRI scan of his brain, what brain area would most likely have been affected by the stroke?
A. primary visual cortex B. V5/MT C. fusiform face area D. posterior parietal cortex
________ interference occurs when previously learned information interferes with the learning of new information.
A. Retroactive B. Output C. Proactive D. Long-term