what is transgenic food and its health hazards?
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What are the main limiting factors for the growth of a population?
What is predatism?
What is age pyramid?
Which harms can thermal inversion cause to humans?
What do biomass pyramids represent?
Why is cannibalism an inharmonious intraspecific ecological interaction?
Is pollution always caused by humans?
What are biomass pyramids?
What is the phytoplankton?
Define ammensalim?
What is harmonious ecological interaction?
What are the typical vegetation and the typical fauna of the taigas?