What is the effect of the growth of a population in an ecosystem? A fewer resources for each individual in the population.
B greater amount of resources in the ecosystem.
C decrease in the amount of resources needed by each individual.
D An increase in the size of the ecosystem.

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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.