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November 14, 2008
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The faster an animal grows, the more currency of energy it must expend.
Researchers have found that the faster an animal is growing, the more energy from food it uses. As animals age, their energy use levels out.
Credit: Zina Deretsky, National Science Foundation
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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