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What is the typical shape of a population growth curve? How the biotic potential can be represented in the same graphic?
298What is the cost-benefit relation regarding sewage treatment as a strategy to fight water pollution?
293In the short range what will happen to the levels above and below a population of secondary consumers of a numeric pyramid if a large number of individuals from this population dies?
454
Explain how does the vegetal stratification of an ecosystem influence the biological diversity?
What are the factors that for influencing photosynthesis also interfere with the gross primary productivity?
What is biologic control?
Explain what are the main limiting factors for the growth of a population?
What is the typical vegetation of the grasslands?
Define predatism?
What is a community?
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
What are colonies and societies?
What is a biodigester?
How does net primary production relate to the energy pyramids?
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?
What do biomass pyramids represent?
What is ammensalim?
What is the primary energy source for life on earth?
