Biology Help!

Consider the meaning of the term “ecology.” How do the ideas of energy and chemical cycles, community structure, biodiversity and succession fit together to form the basis of the way the natural world works? Explain how each of these ideas works and find ways to link between them. Present examples from your experience to demonstrate an understanding of the principles involved. 1200 words, no plagarism. Need to be completed in 4 in a half  hours.