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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?
344What is the cost-benefit relation regarding sewage treatment as a strategy to fight water pollution?
347In 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?
493
What do biomass pyramids represent?
Explain the analyses provided by the study of human age pyramids?
What are some examples of parasitism?
What is the main biological process that consumes carbon dioxide?
What is the climax stage of an ecological succession?
Why is the sun the “motor” of the water cycle?
Explain why transgenics are considered a threat to the environmental safety?
What is the respective importance of nitrogen for the living beings?
What are primary consumers?
Explain ammensalism?
What are biomass pyramids? What do they represent?
What is the respective importance of water for the living beings?
How can a great biological diversity protect an ecosystem from environmental damages? Why are less biodiverse ecosystems under the risk of suffering deep biological harms if submitted to even small changes?
What are some examples of interspecific competition?
Explain how are grasslands classified?
