green plants ,the producers,utilize energy directly from sunlight and convert it into matter.A large number of these organisms form the most basic or first'trophic level ' of the food pyramid .The herbivores that eat plants are at the second tropphic level and the called primary consumers.The predators that feed on them form the third trophic level consisting of the carnivores at the apex of the food pyramid .This how energy is used by living creatures and flows through the ecosystem from its base to the apex.
Saturday, September 12, 2009
The ecological pyramids
In an ecosystem,
green plants ,the producers,utilize energy directly from sunlight and convert it into matter.A large number of these organisms form the most basic or first'trophic level ' of the food pyramid .The herbivores that eat plants are at the second tropphic level and the called primary consumers.The predators that feed on them form the third trophic level consisting of the carnivores at the apex of the food pyramid .This how energy is used by living creatures and flows through the ecosystem from its base to the apex.
green plants ,the producers,utilize energy directly from sunlight and convert it into matter.A large number of these organisms form the most basic or first'trophic level ' of the food pyramid .The herbivores that eat plants are at the second tropphic level and the called primary consumers.The predators that feed on them form the third trophic level consisting of the carnivores at the apex of the food pyramid .This how energy is used by living creatures and flows through the ecosystem from its base to the apex.
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