a mature, stable, and diverse ecosystem is called?
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Possible answer: climax community
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Check under Science and Mathematics.\n\nthere is an Environment category.
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Climax communities are the final community of organisms that move into a region through succession.  Since it is the final community, it is stable and has reached equilibrium, no radical changes of the organisms found  in the area will occur.  Exceptions to this are alien species, such as kudzu in the southeastern United States, invading.\n\n"Despite the fact that it is based on disproven assumptions, many authors continue to use the term climax in a diluted form to refer to what might otherwise be called mature or old-growth communities."
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Each of the microbes performs a limited number of tasks (so to speak) in maintaining soil structure; some of the tasks are, I suspect, mutually exclusive of others...\n\nIt is actually impossible to be sure why there are so many diverse organisms, beyond that: we weren't there when the structure was put together, and the best we can do besides make this humble observation is make scientific, wild-eyed guesses based on whatever theory we prefer...
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You mean trophic levels?  It's a primary consumer...which means it ranks just above plants, but under secondary consumers.
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There are a whole lot of apples and oranges mixing up here.\n\nThe Great Barrier Reef off Queensland is an ecosystem made up of many thousands of species of organisms. As an ecosystem, it's been accreting more or less continuously for a long time (since probably the Cretaceous Period). But during that long time the species of reef builders (corals and algae) have changed.\n\nThe modern stromatolite example is from Shark Bay, Western Australia. These stromatolites look very much like Precambrian ones. They are made of/by blue-green algae (cyanobacteria). So while the stromatolites could be considered an example of a type of ecosystem that hasn't changed for 600+ million years, the individual algal organisms themselves only live for a few days or weeks.\n\nSo the Bristlecone Pine is the oldest living single organism.
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Major Components of Ecosystems:\n\nEcosystems are composed of a variety of abiotic and biotic components that function in an interrelated fashion. Some of the more important components are: soil, atmosphere, radiation from the sun, water, and living organisms.
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Community and/or Ecosystem
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Tundra has low diversity (only 23 different species are plentiful there, 16 of which are in the same class)\n\nConiferous Forests and tropical regions have enormous diversity
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yep...our earth does have a diverse environment!
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Those with a broad niche would be more likely to survive.\n\nNiche- Ecology \na. The function or position of an organism or population within an ecological community.\nb. The particular area within a habitat occupied by an organism.\n\nIn other words, a niche can be where an organism lives or what it eats, etc.  An organism with a narrow niche would, for example, only be able to live in a very specific area or have a very specific diet.  An organism with a broad niche would have a broader range of conditions under which it could survive or locations in which it could survive.\n\nExample- Bird species A and B both live on a certain island.  Species A can only eat seed produced by one species of plant, whereas species B can eat several different types of seeds, including those eaten by species A.  Species A has a narrow niche, and species B has a broad niche.  If something happens to the plant that species A depends on for survival, then species A will die out and species B will simply eat the other types of seed that are part of its diet.
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There is a term in biology called Homeostasis, what it basically says is that a biological system will maintain itself in equilibrium suited to the environment. Small organisms can reproduce at rates that are astonishing, if the environment could support a large increase in population, the plankton would naturally increase their numbers. Actually most biologists think that organisms reproduce at rates larger than the environment can handle, and the die off of the organisms that environment can't handle is part of natural selection.\n\nSo long story short, as nice as it would be to produce micro-organisms to handle our carbon output, I don't think it's actually feasible to do. I don't have any actual numbers, but it would be interesting to know the amount of plankton-like organisms we would need to curb our carbon output, I bet the actual number itself would be astonishing and impossible to do, at least in any meaningful time-frame.
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The answer is fauna.\n\nFauna is the generic term for the animals in an area, flora is the term for the plants.
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Vegetation is a general term for the plant life of a region; it refers to the ground cover provided by plants, and is, by far, the most abundant biotic element of the biosphere. The term vegetation does not, by itself, imply anything regarding species composition, life forms, structure, spatial extent, "naturalness", or any other specific botanical or geographic characteristics. It is broader than the term flora which refers exclusively to species composition. Perhaps the closest synonym is plant community, but vegetation can, and often does, refer to a wider range of spatial scales. Primeval redwood forests, coastal mangrove stands, sphagnum bogs, desert soil crusts, roadside weed patches, wheat fields, cultivated gardens and lawns; all are encompassed by the term vegetation.
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I don't think there is a minimum.  If it is a river it is implied that the water flows.  Ecosystems develop depending on what conditions exist.
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Depends on what you mean by "the entire geographical areas"...  Gamma diversity describes the diversity seen in an exremely large biome, such as an island, continent, or the arctic tundra, for example.
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Hi, I've already answered this question here so I'll quote myself:\nEcosystem is short for ecological system. What does "system" mean in this context? A complex system is a group of elements that are inter-related; the outcome of those interelationships produces a structure and functions so that the system is more than the sum of its component parts.\nIn the case of ecosystems, the elements are biotic (living, i.e. animals, plants, fungi, etc.) and abiotic (soil, air, water, etc.). All functions and relationships among these components are also part of the ecosystem, including feeding and all types of symbioses. You can examine the structure and functions separately, but the ecosystem is a whole where every element depends on others and is depended on. There are matter, energy and information fluxes running continuously in and out of it.