Read information about the West Nile virus and its effect on the bird population in the state you live in. If your state has not been affected yet, choose another state that has. In your state, how many birds have tested positive for West Nile virus? Estimate what percentage of the total resident bird population this number represents.

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explanation:

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the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

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