Explain pops?
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Define a food chain?
What are the advantages of leguminous crop rotation in agriculture?
In a numeric pyramid, is it possible the base to be smaller than the other levels?
Explain the main causes of the loss of the biological diversity nowadays?
Which terrestrial vertebrate group is extremely rare in deserts?
What is the typical shape of a population growth curve?
Why is leguminous crop rotation used in agriculture?
Explain the main limitations for population growth
What are pioneer species? What is the role of the pioneer species?
Explain how are the grasslands of north america and of south america respectively called?
What is plutonium reprocessing? Why is it a big environmental issue?
What is benthos?