Which of these is an example of an adaptation?
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a. a person learns to drive a car.
b. a monkey learns to avoid electrical shocks.
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c. a mouse gets a thorn stuck in its paw.
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d. a walrus has bumps on its flippers that it grip the ice.

How does the closing of the ductus arteriosus and ductus venosus alter circulation in an infant? a. increases blood flow to the pulmonary artery and increases blood flow to the umbilical vein b. increases blood flow to the pulmonary artery and reduces blood flow to the umbilical vein c. reduces blood flow to the pulmonary vein and increases blood flow to the umbilical artery d. reduces blood flow to the pulmonary vein and reduces blood flow to the umbilical artery