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| The emergence of a coherent biocenotic structure, as manifested in the ecosystem, it is best seen in the population of the new habitat. Initially a large role in the selection of species is the case, then abiotic environmental conditions determine the distribution of the primary settler. However, his life activity of each species alters the environment, at least if he settles in a large mass. As a result, although he denies the existence of certain capabilities, but creates new opportunities for others. The increasing abundance of organisms, due to more complete use of living space, can lead to strife and competition. Antagonistic relationship developed trophic, or food chains, and from them a peculiar food web of multilateral relations. Antibiotic effects, inhibiting vital functions of some organisms, often other stimulants, regardless of whether it is nutrition, selection of substances or change the microclimate, and even the dead body is still in use by other organisms. Along with these, usually a one-sided fold-chain relationships and influences that are complementary to specific connections between species, ranging from a loose alliance to mutualism and symbiosis closest to the nutritional. The level of organization can be characterized as biocenosis degree of conservation in existence at the beginning of a random set, and the abundance of interspecific relationships. If we define biocenosis (i.e. living components of the ecosystem) in terms of gradual formation, it would appear that this is nothing, as the joint presence of plants and animals that occur accidentally or deliberately may be in this space due to similar environmental requirements or because of their one-sided, Less mutual (synergistic) and dependence are linked primarily food relationships. Mutually opposing effects of components (species) are outside the scope of relations between organisms and participate in the cycle of matter depend on the abiotic conditions of the landscape. In the end, they can be balanced, which ensures the relative stability of the system. This condition is called "biocenotic balance." Because neither species cannot exist independently of itself, the knowledge biocenotic relationship is extremely important also for understanding the trends of evolution. |