Which scenario best illustrates the concept of adaptation?
a. Plant “A” produces either large fruit or small fruit; farmers breed only the large fruit plants, causing them to outnumber the small fruit variant.
b. Plant “B” has a rare waxy leaf variant; as the environment becomes more arid, the waxy leaf variant becomes more prevalent.
c. Plant “C” has a genetic mutation that creates a taller variant; this variant is able to survive and reproduce.
d. Plant “D” has a recessive allele that causes a higher rate of photosynthesis; plants with this phenotype have a higher energy reserve.
ANSWER:
b
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____ is a statistical procedure used by researchers to identify closely related clusters of variables
a. Chi-square b. Factor analysis c. Deviation analysis d. Analysis of variance
Naomi has recurring, anxiety-provoking thoughts that are irrational and beyond her control. These thoughts are so compelling that they disrupt her daily life. What is Naomi experiencing?
a. compulsions c. obsessions b. panic d. depression
Bella is worried about her upcoming exams. Although she has been studying diligently for the past two months, she keeps having a dream in which her mind goes blank as soon as she starts writing her exam. Sometimes, in her dreams, she forgets the way to school. In the given scenario, Bella's dreams illustrate the
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Affective neuroscientists say that the _____ works with the cortex to suppress the emotional cues that are associated with immediate reward and impulsivity
a) anterior cingulate cortex b) hippocampus c) lateral hypothalamus d) ventromedial hypothalamus