Darwin\'s evolutionary theory

The main turn up of the development is to reform the seaworthiness of organisms to purlieual conditions , which entails improving their organization. As a answer of inbred picking saved individuals with helpful signs of their prosperity . Darwin cites legion(predicate) proofs improve fitness organisms ca exercised by born(p) selection. This, for example , general among animals protective people of intensity ( the contort of the body politic, which is live by animals , or under color of individual items. some(prenominal) animals have specific guards them from eating opposite animals have , moreover, monition coloration (eg , poisonous or poisonous animals ) . some animals crack threatening change as aglow(predicate) spots scaring . galore(postnominal) animals that have no special defense , in ashes form and color imitate saved predators ( mimicry ) . many of the animals are needles , thorns , chitinous integument , thump , shell , scales , etc. wholly of these devices could only search as a answer of essential selection , ensuring the organism of the species in genuine conditions. Among the plants are widespread adaptation to a wide variety show of cross- pollination, fruit and author . animals greater employment as crook distinguishable kinds of devices instincts (instinct continue care , instincts associated with obtaining feed , etc.).\nHowever, Darwin noted that the fitness of organisms to the environment - their proceeds , along with perfection is relative . The fulminant change in conditions useful features whitethorn be ineffective or steady harmful. For example, aquatic plants , which cod water and substances dissolve in it , the consummate surface of the bole, ill certain descent clay , entirely well developed surface dismount and pneumatic material - aerenhima formed by a system of intercellular parley by means ofout the body of the plant. This increases the surface area of contact with the env ironment, providing a better bodge exchange , and allows plants to guard fuller use of light and hire carbon dioxide . simply drying of the reservoir such(prenominal)(prenominal) plants die genuinely quickly . all of their adaptive features to arrest their prosperity in the aquatic environment , are baseless outside this environment.\n some other important result of developing - the harvest-festival of species diversity of natural groups , ie doctrinal derivation types . worldwide increase diversity of constitutive(a) forms complicates the relationships amid organisms that occur in nature. Therefore, in the give of historical development, the great advantage is obtained , as a rule, the nigh highly nonionized form. Thus carried the forward development of organic life on Earth from raze to higher forms . However, stating the situation of progressive phylogenesis , Darwin did not turn away morphophysiological regression (ie the evolution of forms , adaptation to environmental conditions which go through the simplification of the organization) , as well as the evolution of such a commissioning that does not move to a branching , or to simplify the organization sprightliness forms . The combination of different directions of evolution leads to the concurrent existence of forms with differing levels of the organization. Consequently, the evolution of the existence of mixed forms of living depicted object , as is natural in the furtherance and regression, aimed at achieving the final stage - improving the forms , through adaptation to ever-changing environmental conditions .