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	autotroph - Encyclopedia.com
		Autotrophs produce their own sugars, lipids, and amino acids using carbon dioxide as a source of carbon, and ammonia or nitrates as a source of nitrogen.
		Aerobic growth of ammonia-oxidizing autotrophs, (3) Aerobic growth of nitrite-oxidizing autotrophs, (4) Anoxic growth of heterotrophs using...
		Duyts, H., and Laanbroek, H. Autotrophic nitrification in a fertilized acid heath...
	www.encyclopedia.com /doc/1E1-autotrop.html (911 words)

	Autotroph Summary
		An autotroph (from the Greek autos = self and trophe = nutrition) is an organism that produces organic compounds from carbon dioxide as a carbon source, using either light or reactions of inorganic chemical compounds, as a source of energy.
		An autotroph is known as a producer in a food chain.
		Autotrophs are a vital part of the food chains of all ecosystems.
	www.bookrags.com /Autotroph (1235 words)

	Re: Is a honeybee a heteretroph or an autotroph?
		This is an interesting question since I usually associate the definitions of heterotroph and autotroph with micro-organisms, like bacteria.
		To determine whether a honeybee is a heterotroph or autotroph we should first define each term.
		Remembering the definition of an autotroph do you think the plant that the honeybee took nectar from is an autotroph or heterotroph?
	www.madsci.org /posts/archives/jan99/916604729.Mi.r.html (169 words)

	Food Chain Glossary: EnchantedLearning.com
		Autotrophs are the base of the food chain.
		A food chain starts with plants or other autotrophs (organisms that make their own food from light and/or chemical energy) that are eaten by herbivores (plant-eaters).
		A producer (or autotroph) is an organism that makes its own food from light energy (using photosynthesis), or chemical energy (using chemosynthesis).
	www.enchantedlearning.com /subjects/foodchain/glossary.shtml (571 words)

	autotroph
		Autotrophs are the primary producers in all food chains since the materials they synthesize and store are the energy sources of all other organisms.
		The total biomass of autotrophs is far greater than that of animals, reflecting the dependence of animals on plants, and the ultimate dependence of all life on energy from the Sun – green plants convert light energy into a form of chemical energy (food) that animals can exploit.
		It is estimated that 10% of the energy in autotrophs can pass into the next stage of the food chain, the rest being lost as heat or indigestible matter.
	www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0006768.html (324 words)

	Autotroph at AllExperts
		An autotroph (from the Greek autos = self and trophe = nutrition) is an organism that produces organic compounds from carbon dioxide as a carbon source, using either light or reactions of inorganic chemical compounds, as a source of energy.
		An autotroph is known as a producer in a food chain.
		Autotrophs are a vital part of the food chains of all ecosystems.
	en.allexperts.com /e/a/au/autotroph.htm (377 words)

	Autotrophs
		Autotrophs are organisms that can "make their own food" from an inorganic source of carbon (carbon dioxide) given a source of energy.
		Photosynthesis is the name of the process which autotrophs use to convert water, carbon dioxide, and solar energy into sugars and oxygen.
		Autotrophs are the producers of the food chain.
	www.windows.ucar.edu /tour/link=/earth/Life/autotrophs.html (154 words)

	autotrophs
		Autotrophs includes most plants, algae, protists, archaea, and some bacteria.
		Autotrophs can be subdivided into photoautotrophs and chemoautotrophs, depending upon how they derive the energy for their metabolism.
		Organisms that are not autotrophic are known as heterotrophs.
	www.daviddarling.info /encyclopedia/A/autotrophs.html (161 words)

	Autotrophs and Heterotrophs (Site not responding. Last check: )
		The only pranic energy is not enough to maintain alive a heterotroph person, likewise the only food and water are neither enough to maintain the heterotroph alive since he or she need breathing.
		The autotrophs are people that only feed from pranic energy and live a healthy and active life.
		Autotrophs can go on hunger strikes for years and even decades.
	www.luisprada.com /Protected/autotrophs_and_heterotrophs.htm (953 words)

	Food Chain Glossary: EnchantedLearning.com
		Autotrophs are the base of the food chain.
		A food chain starts with plants or other autotrophs (organisms that make their own food from light and/or chemical energy) that are eaten by herbivores (plant-eaters).
		A producer (or autotroph) is an organism that makes its own food from light energy (using photosynthesis), or chemical energy (using chemosynthesis).
	www.zoomwhales.com /subjects/foodchain/glossary.shtml (571 words)

	Autotroph - Search Results - MSN Encarta
		Autotroph, any living organism that synthesizes organic substances from inorganic molecules by using light or chemical energy, thereby manufacturing...
		All bacteria require carbon for growth and reproduction.
		Bacteria called autotrophs (“self-feeders”) get their carbon from CO Most bacteria,...
	encarta.msn.com /Autotroph.html (81 words)

	Autotroph - RTAW Reefpedia (Site not responding. Last check: )
		An autotrophic organism is able to synthesise organic compounds from inorganic sources.
		An autotroph use inorganic carbon dioxide or bicaronate as the sole carbon source and either light or reactions of inorganic chemical compounds as an energy source.
		Heterotrophs depend on autotrophs for both energy and raw material to synthesise organic compounds.
	www.masa.asn.au /masawiki/index.php?title=autotroph (80 words)

	Autotroph - EvoWiki (Site not responding. Last check: )
		An autotroph is an organism which is capable of obtaining all the carbon it requires from carbon dioxide, the main usable inorganic form of carbon on Earth.
		Autotrophs can get their energy either from light (phototrophs) or from chemical reactions (chemotrophs); the latter are almost always lithotrophs.
		The most familiar autotrophs are the oxygen-releasing photosynthesizers: plants, algae, and cyanobacteria, but many other prokaryotes are also autotrophic, being not only phototrophic like plants, but also chemotrophic.
	wiki.cotch.net /index.php/Autotroph (116 words)

	American Society of Limnology and Oceanography
		The model considers growth to be the interaction of the maximum growth rate of the autotroph, the maximum supply rate of nutrients (determined by diffusion and convection through the boundary layer surrounding the autotroph), and the maximum supply rate of light (determined from the incident light multiplied by the absorption cross-section of the autotroph).
		The advantage of such a growth model is that the parameters used to describe autotroph growth limitation are geometric (as opposed to using half-saturation constants).
		All biochemical constraints on growth are assumed to be parameterized by the maximum growth rate of the autotroph alone.
	aslo.org /albuquerque2001/224.html (213 words)

	Definition of autotroph - Merriam-Webster Online Dictionary
		Learn more about "autotroph" and related topics at Britannica.com
		Find more about "autotroph" instantly with Live Search
		See a map of "autotroph" in the Visual Thesaurus
	www.m-w.com /cgi-bin/dictionary?va=autotroph (26 words)

	[No title] (Site not responding. Last check: )
		What that means is that instead of living autotrophs such as periphyton being the major energy source for the food web, like you would get in this stream, external sources of dead organic matter, particularly leaf litter are the main source of energy for the food web.
		Unlike autotrophic carbon which is predicted to increase with nutrient enrichment, detrital carbon is predicted to decrease.
		In other words, the amount of carbon flowing through the autotrophic pathway of a food web will increase, while the amount of carbon in the detrital pathway will stay the same, but will be processed at a faster rate.
	outreach.ecology.uga.edu /GreenieDefense.doc (3969 words)

	Stable Isotope Tests of the Trophic Role of Estuarine Habitats for Fish
		The autotrophic source(s) supporting food webs leading to fish production on mudflats might be either in situ microphytobenthos or material transported from adjacent habitats dominated by macrophytes.
		For over 90% of fishes, the top three contributing autotrophs were seagrass, epiphytes and saltmarsh grass, with median estimates of approximately 60-90% from these sources combined.
		Spatial correlations between consumer and source isotope values provide a useful analytical tool for identifying the role of autotrophs in foodwebs, and were used here to demonstrate that organic matter from adjacent habitats, and in some cases also in situ production of microalgae, were important to fish over mudflats.
	www4.gu.edu.au:8080 /adt-root/public/adt-QGU20060824.144508/index.html (862 words)

	Amazon.com: autotroph (Site not responding. Last check: )
		Autotroph: An entry from Thomson Gale's Gale Encyclopedia of Science, 3rd ed.
		Plants are independent autotrophs, while animals are parasitic heterotrophs.
		Many species are autotrophs, creating their own food, while...
	www.amazon.com /s?ie=UTF8&keywords=autotroph&tag=lexico&index=blended&link_code=qs&page=1 (955 words)

	Replicator Co-existence: Part 2 (Site not responding. Last check: )
		The autotroph achieves a high concentration because it utilizes low energy molecules from the environment that are available in high concentration.
		So in the face of unreliable fluctuating environments that were not capable of maintianing the food set, there would have been a benefit to autocatalytic cycles that were able to engage in a mutualistic interaction, whereby they co-provided food molecules, instead of depending on the environment for these molecules.
		Not even the autotroph can live on light alone, it needs to have chemical material re-cycled effectively, and this can be aided by the heterotroph.
	www.informatics.susx.ac.uk /users/ctf20/dphil_2005/EvolutionOfMetabolism3.htm (1666 words)

	Autotrophs: new kind of humans appears who neither drink nor eat - Pravda.Ru
		Autotrophs: new kind of humans appears who neither drink nor eat
		The majority of plants constitute the first category — they receive energy from non-organic substances — sunshine or air — and process it during the photosynthesis.
		If a woman breastfeeds her child until it turns seven years old, for example, a child will be able to become an autotroph already by eight — simply and painlessly.
	english.pravda.ru /science/19/94/377/14815_autotroph.html (1093 words)

	pb234 - Autotrophy
		In this reading, I will explore what it takes to be a dominant, terrestrial autotroph, i.e., a plant.
		With this, we are focussing on the individual instead of the population or community, asking what an individual must do to survive, grow and reproduce.
		If we compare conditions on land to this description of the ocean, a number of added constraints imposed on terrestrial organisms can easily be identified, as well as some of the solutions.
	www.life.uiuc.edu /cheeseman/ib334/pb234.2005.web/htmlFiles/autotrophy.html (4364 words)

	Glossary of Common Terms and Definitions in Marine Biology
		Autotrophs are ecologically important as primary producers as they ultimately provide energy for all heterotrophic organisms.
		An autotrophic organism that makes complex organic compounds from inorganic compounds through the process of photosynthesis or chemosynthesis.
		For example, phytoplankton synthesize sugars (organic compounds) from carbon dioxide and water(inorganic compounds) using energy from the sun.
	oceanlink.island.net /glossary.html (2776 words)

	Definition of autotrophic - Merriam-Webster Online Dictionary
		Etymology: probably from German autotroph, from Greek autotrophos supplying one's own food, from aut- + trephein to nourish
		Learn more about "autotrophic" and related topics at Britannica.com
		Find more about "autotrophic" instantly with Live Search
	www.webster.com /dictionary/autotrophic (77 words)

	Interactions within Ecosystems
		There are some terms that will help explain our food chain.
		A PRODUCER or AUTOTROPH is an organism that produces its own energy using sunlight in a process called photosynthesis.
		The most common autotrophs are all the plants you see around you.
	www.suite101.com /article.cfm/science_students/85535 (478 words)

	Lecture Notes MCB 229. Microbial Metabolism: Autotrophs
		Imagine being hungry, walking outside, taking off your shirt, lying in the sun for a few hours, becoming totally full (fat even!), and being done eating.
		Autotroph = gets all carbon from CO, organic C not required (for C-source).
		Electrons can be passed through an electron transport system, make ATP by chemiosmotic phosphorylation.
	www.sp.uconn.edu /~terry/229sp03/lectures/autotrophs.html (1418 words)

	Glossary of Common Terms and Definitions in Marine Biology
		Autotrophs are ecologically important as primary producers as they ultimately provide energy for all heterotrophic organisms.
		An autotrophic organism that makes complex organic compounds from inorganic compounds through the process of photosynthesis or chemosynthesis.
		For example, phytoplankton synthesize sugars (organic compounds) from carbon dioxide and water(inorganic compounds) using energy from the sun.
	www.oceanlink.island.net /glossary.html (2776 words)

	Dorlands Medical Dictionary
		an organism, especially a bacterium, having a metabolism that is either autotrophic or heterotrophic and thus is capable of growth on either inorganic or organic media.
		a microorganism that can exist only by autotrophic means.
		(aw-tot´rə-fe) the state of being autotrophic; autotrophic nutrition.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_a_75zPzhtm (1901 words)

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