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Biology 9 Online
OpenStudy (anonymous):

What would an autotroph be referring to in the period of evolution?

OpenStudy (agreene):

Like a lot of things in biology, knowing greek roots can help here: auto = autos - self ; throph = trophe - nourish thus, autotrophs are self feeding organisms. Plants, algae and lots of bacteria are autotrophic and generally considered phylogenetically older than other things.

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