The environment around Manchester, England, changed during the Industrial Revolution. How did this change affect peppered moths living in the area?
A. Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
B. Natural selection favored moths with white wings that were easy for predators to see.
C. Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
D. Natural selection caused moths with white wings to become extinct.
Select your answer:
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A. Carotid artery
B. Coronary artery
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The circular folds of the small intestine enhance absorption by causing the chyme to spiral, rather than to move in a straight line, as it passes through the small intestine.
A. TRUE
B. FALSE