• Indeed, it is also known as the 'carbon chain' whereby all matter on the planet is put through a cycle, and all life on earth is carbon based.
  • Wow, you just blew my mind. I don't have an answer, but I love the question.
  • That blew my mind as well . . .what's this about crop circles? No, wait, viruses making the circle complete. Ya know, I think your on to something. I think though the circle is complete after we die and the stuff eats us . . .
  • Viruses aren't alive. Bacteria are alive, so despite your misconception about viruses, micro-organisms are at the top and the bottom of the food chain.
  • This actually a very difficult question. Mainly because viruses are not considered to be living things, so can they contribute to a food chain? On the one hand they take an active and not a passive role, but on the other hand they are no more alive than the sun which is not considered to be part of the food chain, but simply the source from which almost all producers get their energy. Indeed a tricky question! I guess the answer is very debatable and there is no right or wrong way to look at it. So I guess in my opinion the answer would be no, but it would be equally valid for somebody else to say yes! However, if you consider bacteria alone then there is a correct answer. There are some photosynthetic bacteria which are producers and are the start of the food chain and there are some bacteria which specialise in decomposition so they can be considered to be at the top.

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