Rosie Wright Posted October 29, 2011 Posted October 29, 2011 carbon, hydrogen, nitrogen and oxygen. where do organisms get those elements?
hypervalent_iodine Posted October 29, 2011 Posted October 29, 2011 Well, where do you think they get them from? This is a homework section, so we're not going to just give you the answers. You need to tell us where you're at in terms of the question and what you're stuck on, specifically.
Psycho Posted October 29, 2011 Posted October 29, 2011 The question can't be answered anyway without more information, autotrophs and heterotrophs gain these from vastly different sources.
tika864 Posted October 31, 2011 Posted October 31, 2011 difficult to answer actually it can't be answered in the first place
Moontanman Posted October 31, 2011 Posted October 31, 2011 (edited) difficult to answer actually it can't be answered in the first place Is that a fact? I suggest you open another thead and we'll discuss the idea "it can't be answered".... Edited October 31, 2011 by Moontanman
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