Research Report: food web

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Topic Summary (from en.wikipedia.org): A food web is a series of related food chains displaying the movement of energy and matter through an ecosystem. The food web is divided into two broad categories: the grazing web, beginning with autotrophs, and the detrital web, beginning with organic debris. There are many food chains contained in these food webs.

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Major Themes:

  • A food web is a series of related food chains displaying the movement of energy and matter through an ecosystem (from en.wikipedia.org)
  • Along a simple food chain , A eats B, B eats C, and so on (from www.answers.com)
  • Each stage of the food chain is called a trophic level (from www.answers.com)
  • There are many food chains contained in these food webs. (from en.wikipedia.org)
  • Food Webs show how plants and animals are connected in many ways to help them all survive (from www.sciencebob.com)
  • The food chain starts with plants or other autotrophs (organisms that make their own food from light and/or chemical energy) - these organisms are called primary producers (from www.enchantedlearning.com)
  • More generally, the Trophic Levels are separated into producers (the plants), herbivores or primary consumers (the insects), carnivores or secondary consumers (the bird), and top carnivores or tertiary consumers (the hawk). (from www.answers.com)
  • A food chain is the sequence of who eats whom in a biological community (an ecosystem) to obtain nutrition (from www.enchantedlearning.com)
  • The primary producers are eaten by herbivores (plant-eaters) called primary consumers (from www.enchantedlearning.com)
  • The food web is divided into two broad categories: the grazing web , beginning with autotrophs, and the detrital web , beginning with organic debris (from en.wikipedia.org)
  • These interconnected feeding relationships intertwine locally into a food web because most organisms consume or are consumed by more than one other type of organism (from www.answers.com)
  • A food web aims to depict a more complete picture of the feeding relationships , and can be considered a bundle of many interconnected food chains occurring within the community (from www.eoearth.org)
  • For instance, all of the plants in the foodweb comprise the first or "primary producer" tropic level, all herbivores comprise the second or "primary consumer" trophic level, and carnivores that eat herbivores comprise the third or "secondary consumer" trophic level (from www.eoearth.org)
  • FOOD CHAINS FOLLOW just one path of energy as animals find FOOD . (from www.sciencebob.com)
  • The herbivores are eaten by carnivores (meat-eaters) and omnivores (animals that eat both animals and plants) - these organisms are called secondary consumers (from www.enchantedlearning.com)
  • When any organism dies, it is eaten by tiny microbes ( detrivores ) and the exchange of energy continues. (from www.enchantedlearning.com)
  • Striped Bass and bluefish, part of a higher trophic level, rely on menhaden and bay anchovies as their primary food source. (from www.chesapeakebay.net)
  • In a saprophytic chain, microorganisms live on dead organic matter (from www.answers.com)
food web 80%
   
food chain 70%
   
trophic level 60%
   
food chains 50%
   
Food Webs 50%
   
primary producers 40%
   
Trophic Levels 30%
   
biological community 20%
   
primary consumers 20%
   
grazing web 20%
   
ecosystem ecology 20%
   
Trophic relationships 20%
   
University Press 20%
   
one organism 20%
   
detrital web 10%
   
feeding relationships 10%
   
herbivores comprise 10%
   
FOOD CHAINS FOLLOW 10%
   
FOOD WEBS SHOW 10%
   
eats whom 10%
   
obtain nutrition 10%
   
own food 10%
   
chemical energy 10%
   
secondary consumers 10%
   
tiny microbes 10%
   
energy continues 10%
   
called primary producers 10%
   
Striped Bass 10%
   
organic matter 10%
   

 biological community   called primary producers   chemical energy   detrital web   eats whom   ecosystem ecology   energy continues   feeding relationships   food chain   food chains   FOOD CHAINS FOLLOW   food web   Food Webs   FOOD WEBS SHOW   grazing web   herbivores comprise   obtain nutrition   one organism   organic matter   own food   primary consumers   primary producers   secondary consumers   Striped Bass   tiny microbes   trophic level   Trophic Levels   Trophic relationships   University Press 

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