How are the grasslands of North America and of South America respectively called?
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Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
What are tropic levels?
Define bioremediation?
What is dry mass?
What are biomass pyramids?
What is the typical vegetation of the grasslands?
Explain the typical vegetation and the typical fauna of the deserts?
What are the benefits can commensalism offer to a species?
What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers?
Define biologic control?
What is the formula of the net primary production (NPP)? How does NPP relate to the energy pyramids?
Explain how do populations of predators and preys vary in predatism?