What is numeric pyramid? What does it represent?
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What are the main sources of mercury pollution?
What is the climax stage of an ecological succession?
Explain remediation?
What is population density?
What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?
Explain the main interspecific ecological interactions?
What are age pyramids?
What is the main means by which autotrophic beings obtain energy?
Define species?
What are the typical vegetation and the typical fauna of the tropical forests?
Define biodiversity?
Explain the main factors that affect the growth of a population?