4.5 Understand the concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer
Food Chain
ü Food chain links the producer to the primary consumer and so on.
ü One organism is shown at each trophic level.
ü In a food chain, you cannot show an omnivore or feeding at more than 2 trophic levels.
ü Food chains show the flow of matter and energy.
Food Web
1) Organisms can have multiple predators
2) Organisms may feed on multiple preys.
3) They are linked.
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