What are primary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
300What are primary consumers? Can food chain present quaternary consumers without having secondary or tertiary consumers?
407Can 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?
286
What are the main sources of mercury pollution?
What is bioremediation?
Explain different types of wastes?
What are primary consumers? 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 is population density?
What is ammensalim?
Explain how do populations of predators and preys vary in predatism?
What are autotrophic beings?
Is the upward move of the warm air good or bad for the dispersion of pollutants?
What is a biome?
Under which form is nitrogen fixed by the living beings.
What are some examples of migratory animals?
Explain why waste is considered one of the major environmental issues?
What are the typical vegetation and the typical fauna of the tundras?
What do numeric pyramids represent?