Define the nitrogen cycle?
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Define carbon cycle?
Explain the main chemical compounds that destroy the ozone layer?
How can a great biological diversity protect an ecosystem from environmental damages?
What is the formula of the net primary production (NPP)? How does NPP relate to the energy pyramids?
What are species?
What is population growth rate?
Why does thermal inversion increases air pollution?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
Define global warming?
What are some economic applications that can be generated by very biodiverse ecosystems?
Define population density?
How is energy transferred along a food chain?