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Given a scientific passage and an answer, generate a question for the given answer.

Passage: The population growth rate is how fast a population is growing. The letter r stands for the growth rate. The growth rate equals the number of new members added to the population in a year for each 100 members already in the population. The growth rate includes new members added to the population and old members removed from the population. Births add new members to the population. Deaths remove members from the population. The formula for population growth rate is:. Answer: growth rate
Output:
What term that shows how fast a population is growing includes new members added to the population over a given period, as well as old members removed from the population?