What is NOT true regarding chlorofluorocarbons?
a. They are major destroyers of ozone.
b. They release oxygen when they absorb UV light.
c. They have been used as coolants and in solvents.
d. They release chlorine radicals
e. One of their chlorine atoms can degrade
thousands of ozone molecules.
Answer: b
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Answer the following statement true (T) or false (F)
New alleles arise by
a. mutation. b. migration. c. genetic drift. d. random mating. e. independent assortment.
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Which of the following examples best illustrates the concept of spontaneous generation?
a. During flooding, frogs spontaneously arise from mud. b. When a dried bean is moistened and kept wet, it spontaneously transforms into a bean sprout. c. Some sea anemones spontaneously bud newly developed young from their outer skin. d. All of the above. e. A and B, but not C