A single cell is created after fertilization of the egg by a sperm. This is known as a(n)
a. gamete.
b. gonad.
c. embryo.
d. zygote.
d. zygote.
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In their therapy for sexual dysfunctions, Masters and Johnson thought that, in addition to sensate focus, it was also important to include
a. appropriate medications. b. substance abuse counseling. c. communication training. d. treatment of underlying medical problems.
The study by Turkheimer and colleagues (2003) of twins from different socioeconomic status levels found that __________.
A. heritability was higher among low-income children and shared environment among high-income children B. both heritability and shared environmental factors were higher among high-income children C. both heritability and shared environmental factors were higher among low-income children D. heritability was higher among high-income children and shared environment among low-income children
Who has the most accessible attitude?
a. Zoe, who has to think for a while about whether she favors the death penalty or not b. Shawna, who doesn't care one way or the other about the death penalty c. Diti, who has very extreme views about abortion d. Lira, who can tell you right away her opinion on abortion
Older children can learn faster and remember more than younger children because older children typically show a significant increase in
a. the size of their sensory register. b. childhood amnesia. c. the capacity of long-term memory. d. short term memory capacity.