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What are the main sources of mercury pollution?
What is benthos?
What are tropic levels?
How is gpp related to photosysnthesis?
What is biologic control?
Explain the main intraspecific ecological interactions?
Define ecosystem in your own language?
What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers?
Define eutrophication?
What is an ecosystem?
How are the heterotrophic beings divided in the ecological study of food interactions?
What are biotic factors?
How are grasslands classified?
Can food chain present quaternary consumers without having secondary or tertiary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
What are the environmental harms caused by mercury pollution?
