c8 - Food Chains and Food Webs Types of organisms of an...

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Food Chains and Food Webs
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Types of organisms of an ecosystem Producers Consumers Decomposers
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Producers Make their own food = Autotrophs Base of the food chain Plants & photosynthetic protists
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Autotrophs Continued Require only inorganic nutrients and an outside energy source to produce organic nutrients Photoautotrophs Chemoautrophs Figure 6. Sulfur and Methane cycling in the Guaymas Basin requires methane oxidation, methanogenesis, sulfur oxidation and reduction (Teske et al. 2003).
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Consumers Heterotrophs – feed on other organisms Kill & eat their food
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Heterotrophs Continued Require a source of preformed organic nutrients Herbivores - Feed on plants Carnivores - Feed on other animals Omnivores - Feed on plants and animals
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Functional Roles of Organisms within Food Chains
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Decomposers Special group of consumers Nourishment from dead matter Recyclers Detritivores Earthworms, woodlice Bacteria and Fungus
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This note was uploaded on 02/12/2011 for the course BSC 2008 taught by Professor Blohm during the Spring '08 term at University of Florida.

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c8 - Food Chains and Food Webs Types of organisms of an...

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