What is the typical conformation of the age pyramids of underdeveloped countries?
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What is a biome?
In the ecological study of food interactions how are the autotrophic beings called?
What is nekton?
Explain some examples of interspecif competition?
What is the gross primary production of an ecosystem?
Explain the typical vegetation and the typical fauna of the deserts?
What is the difference between ecological niche and habitat?
What are the typical vegetation and the typical fauna of the deserts?
What are abiotic factors?
What are the typical vegetation and the typical fauna of the tundras?
What is a biodigester?
What is numeric pyramid?