What is ecological succession?
What are the differences between the age pyramids of developed and under developed countries?
What is the difference between the concepts of community and population?
How do populations of predators and preys vary in predatism?
Define a population?
What is bioremediation?
What is the main means by which autotrophic beings obtain energy?
Explain the main chemical compounds that destroy the ozone layer?
Explain some examples of migratory animals?
What are biomass pyramids? What do they represent?
What is Ecology?
What is competition?
What do you mean by eutrophication?
What is selective waste collection?
What does numeric pyramid represent?