Explain why the tropical forests are also known as stratified forests?
What are the typical vegetation and the typical fauna of the tropical forests?
What is bioremediation?
Why is the sun the “motor” of the water cycle?
What are the main causes of the loss of the biological diversity nowadays?
Is monoculture a system that contributes to great biological diversity of an ecosystem?
What is the zooplankton?
Explain global warming?
What is dry mass?
Define an ecosystem?
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
Explain what are the main limiting factors for the growth of a population?
Explain how are the grasslands of north america and of south america respectively called?
What is benthos?
Explain why waste is considered one of the major environmental issues?