Exercise 1
What are the main features of living matter of the biosphere?

Task 2
What is meant by successive changes? What distinguish the main types of succession changes?


Activity 3
What is the role of trophic relationships in an ecosystem?

Activity 4
Analyze biological diversity in Russia, give a brief description.


Task 5
What is called ecosystem stability? What is the role of the principle of Le Chatelier?

Task 6
What are the main problems of human impact on the biota of the Earth?

Task 7
Make a summary table of regional environmental problems.

Task 8
What is meant by environmental management? What are the main approaches to the rational use of mineral and biological resources?

Task 9
What are the main environmental issues associated with urbanization?

Task 10
What are the main principles of environmental ethics?