Why is sexual reproduction advantageous for a species?
a. Because offspring that are produced sexually are less likely to inherit genetic illnesses.
b. As Mendel's research shows, only species that can adapt to changing environments engage in sexual reproduction. Asexual reproduction is used by species that cannot adapt.
c. Because the process of sexual reproduction prevents mitosis and meiosis and thus reduces genetic mutation.
d. Because new combinations of genes can result in new traits that are adaptive for a species.
Answer: D
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A puberty specialist is giving a talk on males, females, hormones, and pubertal changes. Which statement should she make?
A) "Although both sexes produce testosterone, boys have far higher levels of this hormone than girls." B) "Female sexual desire is programmed by estrogens and male desire is programmed by testosterone." C) "Only boys have testosterone." D) "The adrenal androgens are irrelevant in programming puberty."
Which schedule will result in faster extinction of a response?
A) partial B) VR C) cognitive D) continuous