Biology

What is another name for the portion of Earth that sustains life?

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What are the claws of a bird of prey called?
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What is the common name for the third and final set of molars that most people develop?
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Which of these animals is cold-blooded?
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Trisomy-21 is popularly known as what?
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What type of plants always contain a xylem and phloem?
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What is the average natural lifespan of an African elephant?
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What is the function of the endoplasmic reticulum in a cell?
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What is the tube that carries food into the stomach called?
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