How different are the concepts of migration, emigration, and immigration
What are pioneer species? What is the role of the pioneer species?
What do biomass pyramids represent?
How does net primary production relate to the energy pyramids?
Explain the three main types of tropic pyramids studied in ecology?
What is plankton?
Explain the typical vegetation and the typical fauna of the deserts?
What is eutrophication?
What is protocooperation?
Define parasitism?
Explain what are fossil fuels?
What are persistent organic pollutants (POPs?
Define biodiversity?
How many tropic levels can a food chain have?
Explain why waste is considered one of the major environmental issues?