What is the carbon cycle?
What are the analyses provided by the study of human age pyramids?
What are the typical vegetation and the typical fauna of the tropical forests?
Is the upward move of the warm air good or bad for the dispersion of pollutants?
What is the formula of the net primary production (npp)?
Explain the difference between the concepts of food chain and food web?
What are the differences between the age pyramids of developed and under developed countries?
What is gpp?
Explain the mutualism?
Explain the three main types of tropic pyramids studied in ecology?
How does gpp relate to photosynthesis?
What is plutonium reprocessing?
What are some economic applications that can be generated by very biodiverse ecosystems?
Explain some examples of interspecif competition?
What are persistent organic pollutants?