organisms that feed on the flesh of other carnivores
organisms that eat both plants and animals
consumers that release nutrients from the wastes or remains of plants and animals and then return those nutrients to the soil, water and air for reuse
organisms that feed on the wastes or dead bodies of other organisms
the process that uses oxygen to convert glucose back into carbon dioxide and water
the process of getting energy by breaking down glucose in the absence of oxygen
a sequence of organisms, each of which serves as a source of food or energy for the next
a complex network of interconnected food chains
the dry weight of all organic matter contained in its organisms
this diagram illustrates the energy loss for a simple food chain
the rate at which an ecosystem's producers convert solar energy into chemical energy in the form of biomass found in their tissues
the rate at which producers use photosynthesis to produce and store chemical energy minus the rate at which they use some of this stored chemical energy through aerobic respiratio
the elements and compounds that make up nutrients and move continually through air, water , soil, rock and living organisms within ecosystems, as well as in the biosphere
the system that collects, purifies, and distributes the earth's fixed supply of water
the natural process that converts N2 into compounds that plants and animals can use as nutrients
compounds of phosphorous circulate through water, the earth's crust, and living organisms
the collection of processes by which sulfur moves to and from minerals
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