Check PointWeek4 - Check Point Population Size o Resource...

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Check Point: Population Size o Resource : Ch. 7 Alien Invasion VLR o Due Date: Day 5 [ Individual forum] o View the Ch. 7 Alien Invasion VLR located under the Week Four Materials section of your student web page. o Post a 200- to 300-word response to the following: Explain the four factors that produce changes in population size. Which factors are affecting the population size in the video? What do you predict will happen to the nutria population after all the land is depleted of the nutrias’ food resource? Answer: Explain the four factors that produce changes in population size. The four factors that produce changes in population are: the birth rate, death rate, immigration, and emigration. Birth Rate The birth rate is determined by the amount of births per 1000 people in a year. The birth rate of humans has started to decrease, many scientist believe that we will eventually hit a zero growth rate sometime in the 21 st century.
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