Wednesday, 9 January 2019

carbohydrates - Why are we carbon-based?



Is that because of evolution? Does it have something to do with its amount in the universe? Carbon compounds form the basis of all known life on Earth, and the carbon-nitrogen cycle provides some of the energy produced by the Sun and other stars as I know.




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evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here. Are there any multicellular forms of life whic...