It appears that we cannot live without feeding on previously living animals or plants. This also appears to be true to some degree for almost all other animals and plants.
What does this tell us about how life began, and at what stage did the movement from surviving on non-living protein to living protein begin?
Dennis Mazur
Animals, as food sources, yes; plants, as food sources, no, cannot do without.
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Khalid Hassani Sultan
Animals, as food sources and interesting, yes; plants, as food and good breathing sources , no, cannot do without.
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