Explain the typical conformation of the age pyramids of underdeveloped countries?
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What are the advantages of leguminous crop rotation in agriculture?
What is the difference between ecological niche and habitat?
Define transgenic food?
What is the formula of the net primary production (npp)?
What is competition?
Explain why transgenics are considered a threat to the environmental safety?
What is dry mass?
What is population growth rate?
Define commensalism?
Explain the main factors that affect the growth of a population?
What is the relation between environmental resistance and the population growth according to the biotic potential curve?
Explain global warming?