What are the advantages of leguminous crop rotation in agriculture?
What is nekton?
How can a great biological diversity protect an ecosystem from environmental damages?
Why transgenics are considered a threat to the environmental safety?
What are biogeochemical cycles?
What is transgenic food?
What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers?
What are the main limiting factors for the growth of a population?
What is the formula of the net primary production (npp)?
Explain some examples of interspecif competition?
Explain what is the most abundant form under which nitrogen is found in nature?
What is gpp?
Explain how does the vegetal stratification of an ecosystem influence the biological diversity?
Which type of ecological interaction is competition?
Why does thermal inversion increases air pollution?
