What are the food chains, food webs and ecological pyramids?
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Food chains: It is a linear link of links in a food web starting from trees which use sunlight for their food and ends on top predators like lions.
Food web: It is an interconnected graphical representation of who-eats-who in an ecological community.
Ecological pyramids: It is a graphical representation to show the biomass or bio productivity at each trophic level in a given ecosystem.
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A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.
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