How is radioactive dating important for providing evidence for evolution?
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A. It tells you how many offspring an animal had.
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B. It tells you when the animal that made a fossil was alive.
c. It tells you how long the animal that made the fossil lived.
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D. It tells you how many vestigial structures an animal had.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.