What is the role of the ozone layer for the living beings?
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What are the three main types of tropic pyramids studied in Ecology?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
Is pollution always caused by humans?
In the ecological study of food interactions how are the autotrophic beings called?
What is the respective importance of nitrogen for the living beings?
Define water cycle?
How the biotic potential can be represented in the same graphic?
What is competition? Which type of ecological interaction is competition?
What are the main factors that affect the growth of a population?
Define population growth rate?
Why waste is considered one of the major environmental issues?
What are heterotrophic beings?