Explain the typical conformation of the age pyramids of underdeveloped countries?
What is the formula of the net primary production?
What is the cost-benefit relation regarding sewage treatment as a strategy to fight water pollution?
What is the respective importance of nitrogen for the living beings?
What is the climax stage of an ecological succession?
How is gpp related to photosysnthesis?
Define species?
Define bioremediation?
What is mutualism?
Define ecological succession?
What are interspecific ecological interactions?
How are ecological interactions classified?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
What are intraspecific and interspecific ecological interactions?
What do biomass pyramids represent?