Dictionary » T » Trophic level

Trophic level

Definition

noun, plural: trophic levels

A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode.


Supplement

For example, the primary producers are photosynthetic plants occupying the first trophic level. A group of organisms feeding on them is called herbivores, which form the second trophic level. Organisms feeding on the herbivores, called carnivores, occupy the next trophic level.


Word origin: Greek trophē, food.

See also: Ecological Pyramid, food chain, food web.


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How do I Calculate the productivity P in KJ?

... 100 KJ. 2. What amount of energy of this animal will benefit a higher trophic level?

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by DarDerk
Tue Nov 05, 2013 8:43 pm
 
Forum: Ecology
Topic: How do I Calculate the productivity P in KJ?
Replies: 0
Views: 976

Re: I hate to do this.

... Which model shows the amount of energy lost during transference between trophic levels? Food Web True. A food web consists of several food chains, showing how energy flows ...

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by Larsa
Tue Nov 15, 2011 11:07 am
 
Forum: General Discussion
Topic: I hate to do this.
Replies: 3
Views: 22338

I hate to do this.

... Which model shows the amount of energy lost during transference between trophic levels? Food Web 5. In a food web, what do the arrows represent? the direction that energy ...

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by biologyconfusesme
Mon Nov 14, 2011 7:39 pm
 
Forum: General Discussion
Topic: I hate to do this.
Replies: 3
Views: 22338

Conditions for a stable ecosystem? (for a simulation)

... term, but I'm using it because it makes sense. It sounds like every trophic level is able to operate with zero resistance (ie competition, disease, environmental hazards, ...

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by AstusAleator
Wed Feb 11, 2009 12:44 am
 
Forum: Ecology
Topic: Conditions for a stable ecosystem? (for a simulation)
Replies: 11
Views: 21318

Re:

... Now think of a very complex food web with hundreds of species on each trophic level. Remove one species, and the impact is diluted by the presence of all the other species, ...

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by MichaelXY
Sun Oct 26, 2008 8:16 am
 
Forum: Ecology
Topic: ecosystems
Replies: 12
Views: 17148
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