Living Things and the Carbon

  1. The bodies of all living things are based on carbon. Which of the following is the primary source of carbon in living things?A.
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  2. Why do you have to we use carbon-14 to measure the half-life of a decaying tree?(1 point) Responses All once-living things
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  3. Why is carbon so useful in molecules for living things?(1 point)Responses Many molecules in living things have millions of
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  4. There are five characteristics that all living things share. Fill in the missing characteristic of life:(1 point)All living
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  5. Why do you have to we use carbon-14 to measure the half-life of a decaying tree? (1 point)All once-living things contain
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  6. Why do we use uranium-238 to measure the half-life of a rock?(1 point) Responses All non-living things contain carbon-14 and the
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  7. Which of the following are true concerning living things? Check all that apply.A)They contain a vital force absent in nonliving
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  8. 3. How would the carbon cycle be affected if all producers were removed? (1 point)Carbon compounds in animals would not be
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  9. All living things contain carbon. Do organisms make their own carbon?* 1 point Yes, carbon is created during respiration when
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  10. Which key difference between carbon and silicon makes carbon better suited to forming molecules for living things?Carbon has the
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