Why the tropical forests are also known as stratified forests?
Is pollution always caused by humans?
What are the main interspecific ecological interactions?
Define parasitism?
What is biotic potential?
Explain how can the abundance and diversity of living beings in the tropical forests be explained?
What are primary consumers?
Explain some examples of parasitism?
What is the typical vegetation of the tropical forests?
what is transgenic food and its health hazards?
What are the typical vegetation and the typical fauna of the deserts?
Explain the main characteristics of the age pyramids of developed countries?
What is the climax stage of an ecological succession?
Explain the difference between the concepts of food chain and food web?
What is bioremediation?