Organizational levels of living matter.

Organizational levels of living matter:
1. Molecular – complex organic substances – nucleic acids and proteins. At this degree, chem. metabolic reactions.
2. Cellular – life begins, because a cell is the smallest unit that possesses all the characteristics of a living thing.
3. Organ-tissue – inherent only for multicellular organisms.
4. Organism – due to neuro-humoral regulation and metabolism (metabolism), the preservation of the invariability of the internal region of the body is performed.
5. Population-specific – evolution proceeds.
6. Biogeocentric – there is a circulation of substances, transformation of strength and self-regulation.
7. Biosphere – the general rotation of substances and the circulation of energy, mutual assistance of inanimate and living substances of the earth.

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