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Cycles in nature

QuestionAnswer
How does water in the atmosphere return to the Earth? preciptation
Can water ever disappear or be destroyed? No. It is a renewable resource.
What prokaryotic organisms play a large role in the cycling of nitrogen? Bacteria
What types of organisms return nitrogen in dead plants and animals back to the soil? Decomposers
What process do plants do that uses carbon from the air? Photosynthesis
What process do all animals do that releases carbon dioxide (and we exhale it back into the air)? Respiration
How does water in lakes and oceans return to the atmosphere? Evaporation
Most phosperous is stored here--Slowly released by erosion and weathering. Rocks
These take up phosphorus in the soil with their roots; animals get phosphorus by eating these. Plants
Unlike many other cycles, phosphorus rarely is found where? Atmosphere
These are always the first trophic level in a food chain or web. Autotrops
Which is more complex and more realistic: A food chain or a food web? A food web
What types of animals can feed on the top level carnivores? Decomposers
Created by: tturner
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