Autotroph

Organisms which obtain energy from the sun and utilises CO2 as sole source of carbon e.g. plants and some bacteria (contrast with heterotroph).

Autotroph

An organism that is independent of outside sources for organic food materials and manufactures its own organic material from inorganic sources.
Found on http://www.blackwellpublishing.com/Townsend/Glossary/GlossaryA.html

autotroph

(aw´to-trōf) an autotrophic organism.
Found on http://www.encyclo.co.uk/local/21001

Autotroph

An organism that produces food molecules inorganically by using a light or chemical based sources of external energy. This organism does not require outside sources of organic food energy for survival. Also see chemical autotrophs and photosynthetic autotrophs.
Found on http://www.physicalgeography.net/physgeoglos/a.html

autotroph

Type: Term Pronunciation: aw′tō-trōf Definitions: 1. A microorganism that uses only inorganic materials as its source of nutrients; carbon dioxide is the autotroph's sole carbon source.
Found on http://www.medilexicon.com/medicaldictionary.php?t=8835

autotroph

Any living organism that synthesizes organic substances from inorganic molecules by using light or chemical energy. Autotrophs are the primary producers in all food chains since the materials they synthesize and store are the energy sources of all other organisms. All green plants and many planktonic...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006768.html

autotroph

an organism that produces complex organic compounds from simple inorganic molecules using energy from light or inorganic chemical reactions.
Found on http://en.wikipedia.org/wiki/Glossary_of_environmental_science

Autotroph

An organism that synthesizes organic molecules from inorganic starting materials through photosynthe
Found on http://www.superglossary.com/Glossary/Science/Marine_Biology/
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