Which of the following statements about UV radiation is true?
a. It is necessary for the body to make vitamin B.
b. The amount of UV radiation that reaches the Earth's surface is fairly constant.
c. The ozone hole is responsible for the Greenhouse Effect, but has no impact on levels of
UV radiation.
d. Individuals with less melanin suffer less wrinkling and skin cancer.
e. Exposure to ultraviolet rays causes the epidermis to thicken and produce more melanin.
E
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The process by which photosynthetic organisms use light energy for ATP production is known as
A) photorespiration. B) photosynthesis. C) phototaxis. D) photophosphorylation. E) photoreduction.
The Hardy-Weinberg principle does not assume:a
no net mutations occur in a population. b. a large population size. c. artificial selection is occurring. d. random mating is occurring. e. no gene flow is occurring.
The theory that hunger and satiety are regulated by a blood glucose set point is the __________ theory.
Fill in the blank(s) with the appropriate word(s).
Studies show that biodiversity maximizes resource acquisition and retention within an ecosystem.
Answer the following statement true (T) or false (F)