Define ammensalim?
How is energy transferred along a food chain?
What are the typical vegetation and the typical fauna of the temperate forests?
What do biomass pyramids represent?
What is the typical conformation of the age pyramids of underdeveloped countries?
What is numeric pyramid? What does it represent?
What is the typical vegetation of the grasslands?
What is population growth rate?
In a numeric pyramid to which tropic level does the base always refer?
Explain what are the main limiting factors for the growth of a population?
What are primary consumers?
Can food chain present quaternary consumers without having secondary or tertiary consumers?
In the ecological study of food interactions how are the autotrophic beings called?
Does thermal inversion occur in the winter or in the summer?
How does the vegetal stratification of an ecosystem influence the biological diversity?