What are deciduous trees?
Why are less biodiverse ecosystems under the risk of suffering deep biological harms if submitted to even small changes?
What are heterotrophic beings?
How do biodiversity, the total number of living beings, and the biomass respectively vary during the ecological succession?
Explain the main intraspecific ecological interactions?
Explain the main causes of the loss of the biological diversity nowadays?
Which type of ecological interaction is competition?
How different are the concepts of migration, emigration, and immigration
What is the difference between the concepts of community and population?
What are persistent organic pollutants (POPs?
Define selective waste collection?
Explain what is an example of intraspecific competition?
Why is cannibalism an inharmonious intraspecific ecological interaction?
Explain the typical vegetation and the typical fauna of the deserts?
Explain the primary energy source for life on earth?