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The Three Trophic Levels and Balance

Updated on June 2, 2012
  • The three trophic level can be described as autotrophs, which feed themselves and heterotropes than need others to survive. Producers are usually green plants that can take inorganic material and with chemical change in photosynthesis, can make organic material for other organisms. Consumers, like humans, do just what the name suggests, consumes other organisms to survive. Decomposers are the third type of trophic level and like a vulture, will eat dead organisms to sustain themselves.
  • I live in West Virginia and hunting seems to be year round here. The consumers, which are the humans scare out deer on to the road during seasons and the deer are killed on a lot of the road ways around here. Since for some reason there is no city clean-up crews to pick up all these carcasses on the road, the only form of clean up is from scavenger birds and animals.
  • The producer would be the most important trophic level because without something producing organic matter, all life would die. Many life forms, humans in particular depend on photosynthesis of plants to breathe.
  • Biodiversity includes all the living organism in an eco system, including plants, animals and other life organisms. It is important to have different types of life forms because one source uses the next to survive. As each life form is an example of a trophic level, each trophic level needs the other ones to survive.
  • If one of the trophic levels was wiped out, the other two levels would have issues. If producers were wiped out, no other oxygen breathing animal could survive. Consumers tend to keep each other and plant life down by their consumption, so higher levels of producers and scavengers could be a problem. If all the decomposers were wiped out, disease would spread from all the decayed dead organisms.


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