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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?
366Can 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?
374
Why plutonium reprocessing is a big environmental issue?
Explain the predatism?
Explain the tropic pyramids of ecology?
What are species?
What are persistent organic pollutants?
Into which type of energy is the light used in photosynthesis transformed.
What are the advantages of leguminous crop rotation in agriculture?
What are the major terrestrial biomes?
Why the tropical forests are also known as stratified forests?
What is biosphere?
Define an ecosystem?
Which terrestrial vertebrate group is extremely rare in deserts?
What are the environmental harms caused by mercury pollution?
What is age pyramid?
What is numeric pyramid?
