What are Ecological Niches?

Definition of Niche: the full range of biotic and abiotic conditions down the stairs which an existence lives. Because of competition and limited resources, organisms with similar requirements tend to test into more or less different ecological recesss. theory of competitive exclusion - two species exit not admit exactly the same niche. The concept of the bionomic niche is very(prenominal) grievous one; it helps us to pull in how organisms in an ecosystem interact with each other. The concept is described by Odum as follows: The ecological niche of an organism depends not sole(prenominal) on where it lives but likewise on what it does. By analogy, it whitethorn be said that the home ground is the organisms address, and the niche is its barter, biologically speaking. Odum - basic principle of Ecology - W B Saunders 1959 What do oak trees do? If you can closure that question you know the oak trees profession or its ecological niche. Perhaps you think that oak tr ees only when stand in that respect looking pretty and not doing very much, but in reality they do a lot. Oak trees: 1.          draw and rump sunlight by photosynthesis; 2.         absorb water and mineral salts from the underseal; 3.         provide shelter for many animals and other plants; 4.         act as a support for creeping plants; 5.

        serve as a source of food for animals; 6.         cover the ground with their dead leaves in the autumn. These six things are the profession or ecological niche of the oak tree; you can think of it as organism a kind of job descr! iption. If the oak trees were cut infract or destroyed by fire or storms they would no longer be doing their job and this would cast a menacing effect on all the other organisms living in the same habitat. Hedgehogs in a garden also overhear an ecological niche. They search... If you want to get a full essay, crisp it on our website: BestEssayCheap.com

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