savant Name: Daniel Gurley
Course/Number: SCI/275 ENVIRONMENTAL SCIENCE
Due visualise (MM/DD/YYYY): 06/08/2012
Instructor Name: Steve Renner
The four factors that directly affect nation size atomic number 18 blood set out, death rate, immigration, and emigration. The higher the hand over rates of a species, the more possible the growing of the population, every(prenominal) in all else being equal. When talking about death rate, the fewer deaths inwardly a population, the longer and more stable the population is likely to be. Immigration is the influx of members from surrounding atomic number 18as. This is viewed as a growth in one area, but is really only a tradeoff for the entire species. Emigration is where a members move outside in search of what they cannot shit in the area they are living in. This is the opposite of immigration.
Birth rate and death rate are the two main factors in the video. The nutria are not moving to any other location where there are other nutria species.
The bigger of the two factors is birth rate. The nutria are breading at a rate double-quick than they are dying. This causes a major increase in population size and/or over population.
There are cardinal things that could happen to the nutria. First, the nutria leave eat up all of the vegetation and die from starvation. Secondly, they will all immigrate to another(prenominal) part of the country to go. Last but not least, they will do a little of both by adapting to survive on different vegetation across the country.If you want to get a full essay, order it on our website: Ordercustompaper.com
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