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i think they have to make of a food about write
Ecosystem For (A+)
Is a model that shows how much energy is available at each level of a food chain or ecosystem
By making a model of an ecosystem, one can better improve their knowledge and understanding of how different factors affect eachother and the relationship between living and nonliving things.
Well the trophic model is like the pyramid (Food Chain).But the difference is that trophic model's change every time you go to a different ecosystem.(Ecosystem Definition - http://dictionary.reference.com/browse/ecosystem)Pristine Ecosystems have a wine shaped trophic model and Near - Pristine Ecosystems have a upside down wine shaped trophic model. Human affected ecosystems have a triangle trophic model.
It is called a food chain. Multiple food chains create a food web.
the food chain
Answer this question… The model lacks diversity.
Food web shows transfer of energy. It is present in ecosystem.
Chain.
It has a chain.
food chain lol #c I'm looking for the answer to 20#