Dartawin
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re:food animals - 2006/12/04 20:23
Normally I have you killfiled, and it's posts like this that make me realise why. Really, come on now. Think this through. We're talking GCSE biology here, it's not that complex.
The point is not that a cow can or cannot process grass better than I can (of course it can). The point is that the more stages in the food chain there are, the smaller the amount of the original energy remains. All energy comes from the sun; filter that energy as sun -> plant -> you and you'll get x energy. Filter it as sun -> plant -> animal -> you, and you'll get less energy, as the animal will have used some to heat its body, move around, moo, think, respire, etc.
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