a: Photosynthesis ~
b: money put into a savings account

What: "To enable "autotrophs" (Plants) to make food they have to be able to trap energy from sunlight and convert it into chemical forms like glucose (a simple sugar). Energy produced by photosynthesis is like money put into a savings account for future needs. Animals and other "heterotrophs" must be able to "cash in" and withdraw these food savings when they need them. When they need the energy they must have access to the energy!"

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Writer: drhglatzer
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Date: Oct 25 2013 3:19 PM


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