Week 4 Checkpoint - population size

Week 4 Checkpoint - population size - will die But some...

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The four factors that produce changes in population size are birth rate (the rate in which individual organisms produce offspring, death rate (the rate at which individual organisms die, immigration (individuals enter a population and increase its size), and emigration (individuals leave the population and decrease its size). When all these factors are taken into account the growth rate of a population can be figured (r = (b+I) - (d+e)). In the video the of the four factors listed in paragraph one birth rate is a concern, one Nutria female can give birth to 40 young and those babies at six month of age will be ready to reproduce. Once the Nutria depletes the land of their food source, I do believe that a majority of them
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Unformatted text preview: will die. But some will migrate to other parts of the country, the Nutria eat vegetation and I believe that although, they are aquatic animals they can adapt to living in other areas of the United States. The Nutria adapted to the conditions in Louisiana; therefore, I can see them adapting to the rest of the country. The Louisiana Department of Wildlife and Fisheries need to devise a plan of action to reduce the Nutria population, before these animals become a nuisance to the rest of the country. The Nutria looks similar to a beaver to me, but smaller in size. Could the Nutria be a descendant of the beaver or vise versa?...
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This note was uploaded on 09/06/2010 for the course SCI275 SCI275 taught by Professor Johnscott during the Spring '10 term at University of Phoenix.

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