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Trophic level


The trophic level of an organism is the position it occupies in a food chain. The word trophic derives from the Greek τροφή (trophē) referring to food or feeding.

Trophic level | Define Trophic level at Dictionary.com


Trophic level definition, any class of organisms that occupy the same position in a food chain, as primary consumers, secondary consumers, and tertiary ...

Trophic level - Science Daily


In ecology, the trophic level is the position that an organism occupies in a food chain - what it eats, and what eats it. Wildlife biologists look at a natural "economy  ...

Who eats what in the food chain? Trophic levels of food chains


The levels of a food chain (food pyramid) is called Trophic levels. The trophic level of an organism is the level it holds in a food pyramid. Find out more here.

www.ask.com/youtube?q=Trophic Level&v=mCHdhXMFhcU
Dec 12, 2012 ... How do we find out the position that an organism occupies in a food chain? The different feeding positions in a food chain or web are called ...

Trophic Levels in a Food Chain: Definition & Explanation - Video ...


Jun 29, 2015 ... This lesson will explore the feeding relationships of organisms in an ecosystem, including food chains and food webs. The lesson will also...

trophic level - The Worlds of David Darling


The level within a food chain in which all members are equally far removed from the primary food producers. The first trophic level is occupied by primary ...

Trophic level - Biology-Online Dictionary


Nov 3, 2008 ... For example, the primary producers are photosynthetic plants occupying the first trophic level. A group of organisms feeding on them is called ...

BBC - GCSE Bitesize: Food chains and pyramids


Biomass is the food available for the next trophic level (feeding level) in a food chain. Biomass is used as a source of renewable energy to reduce our ...

Trophic Structure - MarineBio.org


Trophic levels begin wtih phytoplankton, a primary producer capable of transforming inorganic carbon into protoplasm. Zooplankton is the second level because ...

More Info

Trophic Levels ( Read ) | Biology | CK-12 Foundation


Aug 22, 2016 ... Describes how to identify trophic levels in a food chain or food web.

trophic level | ecology | Britannica.com


Trophic level, step in a nutritive series, or food chain, of an ecosystem. The organisms of a chain are classified into these levels on the basis of their feeding  ...

The Flow of Energy: Higher Trophic Levels - Global Change Program


How do ecosystems differ in the amount of biomass or number of organisms present at any point in time, and generated over time, at each trophic level?