What is numeric pyramid?
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What is plutonium reprocessing? Why is it a big environmental issue?
How different are the concepts of migration, emigration, and immigration
Why does this field interest you?
Define the nitrogen cycle?
What are tropic levels? How many tropic levels can a food chain have?
Define parasitism?
How are the heterotrophic beings divided in the ecological study of food interactions?
What is the respective importance of nitrogen for the living beings?
What is the typical localization of the tropical forests regarding latitude?
What is the main biological process that consumes carbon dioxide?
Why does thermal inversion increases air pollution? Which harms can thermal inversion cause to humans?
What is the main means by which autotrophic beings obtain energy?