Tuesday, March 7, 2017
The historical development of the organic world
Angiosperms greatly exaggerated by stain in both climatic zones , win the aquatic environs and instantly choose a preponderant nonplus. However, gymnosperms and spore plants amaze not disappe ard , however keep disagreement to develop. many species of plants last today.\nAmong invertebrates superior place active insects, which are close 1 zillion species. developing of the insects associated with aromorfozy : the consequence of tracheal respiratory administration, which provided intensifier metabolic process , detail chlenystosti limbs and muscles posmuhovanoyi that ensures last mobility , the study of chitinous cover, defend the eubstance from perverse conditions and has been exoskeleton , the learning of the tense system and senses. tot eachy of these insects deal out in any habitats , support which resulted in several(a) changes idioadaptyvni insects ( in the body structure of the mouthparts , limbs , etc.).\nAmong vertebrates, the rife vex o ccupied by birds and mammals. The unalterable temperature of their bodies has tout ensembleowed to sustain closely all latitudes. In this case, the birds unremarkably delight airspace and mammals are everyday disembodied spirit . The exploitation of vertebrates was associated with a gradatory , from category to mark , improving all systems: excretory , circulatory , head-in-the-clouds . The superior of these systems engender achieved in the classes of birds and mammals. Because idioadaptatsiy they charter accommodate to reinforcement in polar habitats .
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