What is mortality rate? What is fertility rate? How do demographers calculate human population?

You should have a clearly stated concerning the paper topic, and then use the numbered questions to guide your analysis that supports that thesis.
Use the sources provided.
Length: If you adequately explain the material you should end up with 3-5 pages.
Below is the third paper topic.
Can Human beings gain control of the demographic trends concerning population and achieve a sustainable equilibrium? Should we?
What is mortality rate?
What is fertility rate?
How do demographers calculate human population?
What is demographic shift?