What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
327Can the amount of available energy in a given tropic level to be larger than the available energy in inferior tropic levels? What does that condition means to the conformation of the energy pyramids?
328
Explain how does the vegetal stratification of an ecosystem influence the biological diversity?
How does npp relate to the energy pyramids?
What is the gross primary production of an ecosystem?
What is an ecosystem?
Explain different types of wastes?
Define a biodigester?
How do biodiversity, the total number of living beings, and the biomass respectively vary during the ecological succession?
What are the main causes of the loss of the biological diversity nowadays?
What are tropic levels?
What is harmonious ecological interaction?
What are some examples of parasitism?
What is the role of the pioneer species?
Define biotic potential?
Which terrestrial vertebrate group is extremely rare in deserts?
What are the typical vegetation and the typical fauna of the deserts?