Explain the main factors that affect the growth of a population?
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Which is the autotrophic group responsible for the production of most part of the molecular oxygen of earth?
Explain the tropic pyramids of ecology?
Define a biodigester?
What is the main biological process that consumes carbon dioxide?
Define population?
What is gpp?
What is gpp? How is it related to photosysnthesis?
What is dry mass?
What is the nitrogen cycle?
Explain what are fossil fuels?
How different are the concepts of migration, emigration, and immigration
What is nekton?