What are the differences between the age pyramids of developed and under developed countries?
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Explain the main causes of the loss of the biological diversity nowadays?
What are the typical vegetation and the typical fauna of the tropical forests?
Explain the parasitism?
What is competition?
Into which type of energy is the light used in photosynthesis transformed.
What is ammensalim?
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
Explain the tropic pyramids of ecology?
What is an example of intraspecific competition?
What is predatism?
What are autotrophic beings? What are heterotrophic beings?
Define ecology?