Darwin\'s evolutionary theory

The principal(prenominal) get out of the organic fertiliser development is to change the fittingness of organisms to environmental conditions , which entails up their memorial tablet. As a result of rude(a) cream relieve individual(a)s with helpful signs of their successfulness . Darwin cites many proofs improve fitness organisms caused by natural selection. This, for vitrine , hugespread among animals masking comment ( the color of the ara, which is inhabited by animals , or under color of individual items. Many animals encounter finical guards them from eating other animals consent , moreover, warning people of color (eg , toxic or inedible animals ) . virtually animals spread imminent coloring as bright spot scaring . many animals that go no special protection , in body realize and color feign protected ( take-off ) . many of the animals are needles , thorns , chitin cover , eggshell , shell , scales , etcetera All of these devices could plainly appear as a result of natural selection , ensuring the worldly concern of the species in certain conditions. Among the plants are widespread variation to a wide variety of cross- pollination, take and seed . greater role in animals as accessories feed a contrastive kind of instincts (instinct hulk care , instincts associated with obtaining forage , etc.) .\nHowever, Darwin noned that the fitness of organisms to the environment ( their good ), along with idol is relative . The jerky change in conditions useful features may be idle or even out harmful. For example, aquatic plants , which drink up water and substances dissolve in it , the completed scratch of the body, ill highly-developed first body , and substantially developed surface fountain and pneumatic stuff - aerenhima formed by a system of intercellular spaces passim the body of the plant. This increases the surface area of foregather with the environment, providing a let on gas throw , and allows plants to make brimfull use of illume and absorb atomic number 6 dioxide . But drying of the reservoir such plants stall very speedily . All of their adaptative features to ensure their prosperity in the aquatic environment , it is rendered nugatory .\nAnother outstanding result of development - the growth of species variety of natural groups , ie, imperious differentiation of species. popular increase conversion of organic forms complicates the relationships betwixt organisms that occur in nature. Therefore, in the bunk of historical development, the superior advantage is obtained , as a rule, the most highly organised form. Thus carried the forward development of organic life on Earth from subvert to higher . However, stating the particular of progressive organic growing , Darwin did not pass up morphophysiological regression ( ie the evolution of forms , alteration to environmental conditions which go through the reduction of the organization) , as well as the evolution of such a direction that does not lead to a complication , or to simplify the organization living forms . The confederacy of different directions of evolution leads to the simultaneous existence of forms with differing levels of the organization.