Explain the main characteristics of the age pyramids of developed countries?
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Explain the commensalism?
What is numeric pyramid? What does it represent?
How is energy transferred along a food chain?
Define a population?
Explain the typical vegetation and the typical fauna of the deserts?
Define biotic potential?
Explain different types of wastes?
Explain the main means by which autotrophic beings obtain energy?
What do biomass pyramids represent?
Explain how are grasslands classified?
Explain how does biological diversity relate to the characteristics of the abiotic factors of an ecosystem?
What is nekton?