Define a population?
Explain some examples of parasitism?
How can a great biological diversity protect an ecosystem from environmental damages?
Explain the commensalism?
Explain some examples of interspecif competition?
What are the main factors that affect the growth of a population?
What are the destinations of the organic material fabricated by the producers?
In a numeric pyramid, is it possible the base to be smaller than the other levels?
What is the typical shape of a population growth curve?
What is benthos?
What are the processes that autotrophic beings use to produce organic material from inorganic substances?
Explain nitrogen cycle?
What is eutrophication?
What is the difference between the concepts of food chain and food web?
What is the role of the ozone layer for the living beings?