What is biodiversity?
What is protocooperation?
What is the water cycle?
What are heterotrophic beings?
Why does thermal inversion increases air pollution? Which harms can thermal inversion cause to humans?
What is biologic control?
What is the typical fauna of the tropical forests?
How different is the growth according to the biotic potential of a viral population from the growth according to the biotic potential of a bacterial population?
Explain how does the vegetal stratification of an ecosystem influence the biological diversity?
What is the formula of the net primary production?
What is dry mass?
What are the benefits can commensalism offer to a species?
Is pollution always caused by humans?
Explain the role of the ozone layer for the living beings?
What is the cost-benefit relation regarding sewage treatment as a strategy to fight water pollution?
