Explain water cycle?
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Explain how does the vegetal stratification of an ecosystem influence the biological diversity?
Define biotic potential?
What is the respective importance of nitrogen for the living beings?
Define environmental resistance?
What is a population?
Besides mercury which other heavy metals cause toxic pollution?
What is the typical shape of a population growth curve?
What is the typical localization of the tropical forests regarding latitude?
Explain why waste is considered one of the major environmental issues?
What is the difference between primary ecological succession and secondary ecological succession?
What is transgenic food?
Define bioremediation?