Explain the main characteristics of the age pyramids of developed countries?
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What are the main factors that affect the growth of a population?
What are the typical vegetation and the typical fauna of the temperate forests?
Explain the main intraspecific ecological interactions?
What is the most abundant form of nitrogen in nature?
What is the typical conformation of the age pyramids of underdeveloped countries?
Explain different types of wastes?
What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers?
Explain the main biological process that consumes carbon dioxide?
What are primary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
What is pollution?
What is nekton?
What are the three main types of tropic pyramids studied in Ecology?