Explain the difference between the concepts of food chain and food web?
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Define biologic control?
What are some examples of interspecif competition?
What are the analyses provided by the study of human age pyramids?
What is the relation between environmental resistance and the population growth according to the biotic potential curve and the real population growth curve?
Define species?
How do populations of predators and preys vary in predatism?
Define an ecosystem?
Explain the commensalism?
What is plankton?
What are the advantages of leguminous crop rotation in agriculture?
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?
Can 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?