Thursday, January 28, 2016

Nitrogen Cycle

   Today I learned all about the nitrogen cycle in the desert biome and this is what i learned.  A basic example of the nitrogen cycle in a desert biome begins with the uptake of nitrates by desert plants. The plants that contain the nitrate are then consumed by insects and and reptiles. These  primary consumers are then eaten by secondary consumers, transferring the nitrates from the primary consumers to the secondary consumers. The nitrogen-bearing compounds in these animals are passed further up the food chain to larger carnivores such as coyotes and birds of prey. These carnivores are at the top of their food chains and when they die the nitrogen is returned to the soil. Finally back to soil, bacteria and fungi mineralize the nitrogen back to a usable state for plants. Bringing the cycle back to the beginning.

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