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How is a penguin able to survive in the warm, Galapagos island weather?
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Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
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Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .
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The variation among individuals, on which natural selection acts
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Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.
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How is a penguin able to survive in the warm, Galapagos island weather?...
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