Ecological bases of nature code (SRV)

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Task 1 (91).
Question 1
Under the environmental crisis is understood as a relationship between society and nature, with
wherein:
1) development of the productive forces and production relations not match the capabilities of the resource potential of nature;
2) spread of contamination in all important spheres of human activity;
3) not enough of certain kinds of natural resources, and they have to be purchased abroad;
4) there is load on the nature of the resistance causes environmental organizations.
Question 2.
The thesis of "Sustainable Development" was proclaimed:
1) At the international conference on the environment in Stockholm in 1972 .;
2) at the conference on the peace process in Europe in Helsinki in 1975;
3) at the UN conference in Rio de Janeiro in 1992 .;
4) at the World Forum of the United Nations on the turn of the millennium in New York in September 2000
Question 3.
Environmental monitoring, as the information system is the basis for:
1) environmental management;
2) environmental education and training;
3) deployment of scientific research;
4) deployment of surveillance systems of natural and exposure to man-made objects.
Question 4.
What are the indicators of a prosperous state of ecological systems in the wild
1) The normal combination of plants and animals;
2) The presence of trophic chains in the ecosystems;
3) Lack of predators that can upset the balance in the predator - prey;
4) biological productivity and diversity of plant communities, corresponding to the zonal characteristics.
Question 5.
Ecological catastrophe implies:
1) violation of a specific environment, which led to a decrease in biological productivity;
2) violation of a specific environment, which led to a decrease in biological diversity;
3) Complete and irreversible disruption of the ecological balance in ecosystems;
4) A material breach of the ecological balance in ecosystems, requires a significant investment in their recovery.


Task №2 (92).
Question 1.
What is an ecosystem?
1) Association of vegetation, which occupies a definite position in space, different from the related associations;
2) A single natural complex formed by living organisms and their environment, in which living and inert components are interconnected exchange of matter, energy and information;
3) A single natural complex, including vegetation, soil and underlying rocks;
4) The combination of plant and animal organisms, interconnected metabolism, energy and information, occupying a definite territory.
Question 2.
What is the greenhouse effect and what are its underlying causes?
1) The increase in the average temperature of the air layer due to changes in solar activity;
2) Reducing the quantity of solar radiation due to an increase in atmospheric dust and smoke;
3) The increase in mean annual air temperature by changing the optical properties of the atmosphere;
4) The increase in mean annual air temperature due to changes in the direction of ocean currents;
Question 3.
What is the principle of exception GF Gause?
1) It is impossible to develop ecosystems in the technogenic pressure;
2) The succession can not flow in a lack of moisture or solar energy;
3) Two species can not exist in the same place, if they are identical environmental needs;
4) The ecosystem reaches a climax state in the case of autotrophic succession.
Question 4.
Under the pollution rightly understood:
1) the introduction of new media in not normally characteristic of its chemical, physical, biological or information agents;
2) the emergence of new environment, usually not typical for her physical, biological or information agents;
3) an increase in the concentration of certain components of the environment beyond its characteristic quantities;
4) the occurrence, as well as bringing in the new environment is not normally chara

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