Subjects:
- Levels of organization of living matter,
2
- Populations, communities, ecosystems,
2,
3,
4,
5
- Forms of biological relationships in the community
- Positive attitude,
2
- Negative attitude,
2,
3
- Neutral attitude,
2
- Circulation of matter and energy,
2,
3,
4,
5,
6,
7,
8
- The structure of the biosphere,
2
- Evolution of the biosphere,
2,
3,
4
- The current state of the environment
- Atmosphere - the outer shell of the biosphere,
2
- Biological productivity of ecosystems,
2,
3
- Conservation and sustainable environmental futures,
2,
3,
4,
5
Environmental problems of the biosphere
- Human impact on flora and fauna,
2
- Limits of stability,
2,
3
- Natural resources and their use,
2,
3
- Radioactive contamination of the biosphere
- Contamination of soil (
contamination)
- Contamination of natural waters (
the steady,
one type)
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Symposium Introduction
Levels of organization of living matter.
All living organisms that inhabit our planet, there are not by themselves, they
depend on the environment and suffer the effects. This is exactly
coherent set of many environmental factors, and adaptation
them living organisms causes the possibility of the existence of various
forms of organisms and the very different education of their lives.
Ecology (from Greek oikos - housing, habitat) - the science that studies
relationship of living organisms in nature: the organization and functioning
populations biogeocenosis and the biosphere as a whole, the laws of "healthy" state as
rules and foundations for the existence of life.
Wildlife is a complexly organized, hierarchical system.
Several distinct levels of organization of living matter.
1.Molekulyarny . Any living system is manifested at the level of interaction
biological macromolecules: nucleic acids, polysaccharides, as well as other
important organic substances.
2. Cell. Cage - structural and functional unit of reproduction and
development of all living organisms living on Earth. Non-cellular forms of life there,
and the existence of viruses, only confirms the rule, because they can be
properties of living systems only in the cells.
3.Organizmenny. The body is a holistic unicellular or
multicellular living system, capable of independent existence.
Multicellular organism is formed by a set of tissues and organs,
specialized for different functions.
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