Explain the main intraspecific ecological interactions?
What do you mean by eutrophication?
Explain how are grasslands classified?
Explain pops?
What is the respective importance of water, carbon, and nitrogen for the living beings?
What are autotrophic beings? What are heterotrophic beings?
Explain the main causes of the loss of the biological diversity nowadays?
What are the main characteristics of the age pyramids of developed countries?
In a numeric pyramid to which tropic level does the base always refer?
What is the primary energy source for life on earth?
Why is it a big environmental issue?
Define species?
Define ammensalim?
What is age pyramid?
Under which form is nitrogen fixed by the living beings.