What is plutonium reprocessing? Why is it a big environmental issue?
How do biodiversity, the total number of living beings, and the biomass respectively vary during the ecological succession?
What are the main factors that affect the growth of a population?
What are plankton, nekton, and benthos?
How different is the growth according to the biotic potential of a viral population from the growth according to the biotic potential of a bacterial population?
What are tropic levels? How many tropic levels can a food chain have?
What are biomass pyramids? What do they represent?
What is the typical vegetation of the tropical forests?
What are the processes that autotrophic beings use to produce organic material from inorganic substances?
What are autotrophic beings?
Explain how do populations of predators and preys vary in predatism?
What is the phytoplankton?
What are some examples of interspecific competition?
What is the role of the ozone layer for the living beings?
Why is the sun the “motor” of the water cycle?