What is a biodigester?
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Define predatism?
Explain the typical conformation of the age pyramids of underdeveloped countries?
Explain how can the abundance and diversity of living beings in the tropical forests be explained?
What is the typical conformation of the age pyramids of underdeveloped countries?
What are pioneer species?
Define a food chain?
What is a community? What is the difference between the concepts of community and population?
What is the respective importance of water for the living beings?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
What is parasitism?
Define population?
Define bioremediation?