Why transgenics are considered a threat to the environmental safety?
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What is the role of the pioneer species?
What is predatism?
Define a food chain?
How are ecological interactions classified?
Why is cannibalism an inharmonious intraspecific ecological interaction?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
Which type of ecological interaction is competition?
What is ecological succession?
What are the main sources of mercury pollution?
What is the formula of the net primary production (npp)?
What are the advantages of leguminous crop rotation in agriculture?
Explain what are the main limiting factors for the growth of a population?