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?
363Can 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?
370
How does the vegetal stratification of an ecosystem influence the biological diversity?
Explain water cycle?
How do the availability of water and light and the climate affect the growth of a population?
Explain some examples of parasitism?
Explain how does biological diversity relate to the characteristics of the abiotic factors of an ecosystem?
What is plutonium reprocessing?
How are the grasslands of North America and of South America respectively called?
What is transgenic food?
Explain environmental resistance?
Define biologic control?
Define predatism?
What do biomass pyramids represent?
What are the benefits can commensalism offer to a species?
What is population growth rate?
Explain how are grasslands classified?