Which population is more likely to be affected by genetic drift?
a. 12 squirrels in a forest
b. 49 herons in a colony
c. 215 fleas on a dog
d. 1350 mice in a house
e. 3000 zebra in a herd
ANSWER: a
Biology & Microbiology
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Defective mitochondria are a cause of Luft’s syndrome
and a. Marfan’s syndrome. b. Friedrich’s ataxia. c. type I diabetes. d. Alzheimer’s disease. e. all of these.
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The systematic approach to exploring the natural world is known as the ____________________. Fill in the blank(s) with the appropriate word(s)
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Vocal cords are located in the larynx
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
Which statement describes the leaf epidermis?
a. Its cells lack chloroplasts. b. Some of its cells perform photosynthesis. c. Its cell walls are thin. d. Its cells are opaque. e. It has only a single layer.
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