Define a biome?
What is a population?
What are the main characteristics of the age pyramids of developed countries?
What are the main types of waste?
What is plutonium reprocessing? Why is it a big environmental issue?
What is age pyramid?
What are colonies?
Define an ecosystem?
What are persistent organic pollutants (POPs?
Define harmonious ecological interaction?
Define ecosystem in your own language?
What are autotrophic beings? What are heterotrophic beings?
What is predatism?
How does net primary production relate to the energy pyramids?
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?