Biology

Pregnancy in humans lasts how many days?

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What family do dolphins, porpoises and whales belong to?
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What North American animal is mistakenly called a buffalo?
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What adaptation has a frog developed to catch flies?
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What type of worm is an earthworm?
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What layer of the skin is just below the surface?
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What is another name for the human skull?
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Which of the following is the smallest?
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What word means "terrible lizard"?
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