What are the main characteristics of the age pyramids of developed countries?
Is pollution always caused by humans?
Why does thermal inversion increases air pollution?
Define inharmonious ecological interaction?
What benefits can commensalism offer to a species?
What is the typical shape of a population growth curve? How the biotic potential can be represented in the same graphic?
How are the heterotrophic beings divided in the ecological study of food interactions?
What is the respective importance of water for the living beings?
What is predatism?
What are the typical vegetation and the typical fauna of the tundras?
Define biologic control?
What are primary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
Explain the main intraspecific ecological interactions?
Define an ecosystem?
What is commensalism?
