Biology

What gives red blood cells their color?

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Which of these snakes is a pit viper?
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What is the largest member of the weasel family in the United States?
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What do red blood cells carry throughout the body?
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In what habitat might an animal with a thick, warm coat live?
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Which of these plants captures insects to get necessary nutrients?
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What type of behavior is passed on from generation to generation?
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Which habitat would a fresh water fish live in?
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Which one of these activities are a part of a plant's life cycle?
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