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pyramid of numbers

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carnivore

carnivore  

An animal that eats meat, especially a member of the order Carnivora (e.g. tigers, wolves). Carnivores are specialized by having strong powerful jaws and well-developed canine teeth. They may be ...
ecological pyramid

ecological pyramid  

Graphical representation of the trophic structure and function of an ecosystem. The first trophic level, of producer organisms (usually green plants), forms the base of the pyramid, with succeeding ...
food chain

food chain  

In ecology (1), a hierarchy of organisms in which each is consumed as food by one or more of the ones above it. See also pyramid of numbers.
pyramid of biomass

pyramid of biomass  

A diagrammatic representation of the amount of organic material (see biomass), measured in grams of dry mass per square metre (g m−2), found in a particular habitat at ascending trophic levels of a ...
pyramid of energy

pyramid of energy  

A diagrammatic representation of the amount of energy, measured in kilojoules per square metre per year (kJ m−2 yr−1), available at ascending trophic levels of a food chain in a particular habitat ...
trophic level

trophic level  

The position that an organism occupies in a food chain. For example, green plants (which obtain their energy directly from sunlight) are the primary producers; herbivores are primary consumers (and ...

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