Biology
What is another name for the portion of Earth that sustains life?
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Approximately how much does the large head of an Elephant seal weigh?
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Now extinct, what shark is thought to have been the largest ever on Earth?
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Which of these is a natural response to a change in temperature for a black bear?
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The definition of "large group aquatic plants" best fits what science term?
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What do we call things that directly affect all activities of cells?
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