If we apply Darwin’s theories to many characteristics that affect survival and reproduction, natural selection would
cause the populations to become more different over time, a process called ____.
a. morphological deviation
b. artificial selection
c. goal orientation
d. evolutionary divergence
e. genetic modification
ANSWER: d
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When a gamete that is lacking a sex chromosome due to nondisjunction has fused with a gamete carrying an X chromosome, this type of abnormality leads to ________.
A. Triple X syndrome B. Down Syndrome C. Edward Syndrome D. Turner syndrome E. Klinefelter Syndrome
At low population density, __________ is favored, quickly producing as many offspring as possible. Fill in the blank(s) with the appropriate word(s)
The kidneys receive about __________ percent of
the cardiac output at rest. a. 5 b. 9 c. 13 d. 15 e. 20
In the placenta, nutrients move from mother to baby by ____.
A. activated transport B. the Rh factor C. transport proteins D. simple diffusion E. HCG