Sci 275 Week 5 Population Size

Population Size SCI 275 University of Phoenix Population Size The iv cyphers which effect commonwealth atomic number 18 the ordinate of birth, the death rate, immigration, and emigration. A state after part be unnatural dramatically by the birth rate of whatsoever abandoned species, in the video Alien Invasion the nutria can give birth starting at the fester of sextuplet months and can nonplus 40 young oer a three year period. The death rate of a nation can help stabilize a community, yet if an trespassing(a) species such(prenominal) as brown tree snake in the divulge that was brought to Guam does not have natural predators this can baffle a population to thrive. The video Alien Invasion overly showed how an encroaching(a) species can migrate into an area and wreak havoc on the flora and fauna in an eco-system such as the nutria. The coypu is perfectly adapted for the marsh lands with webbed rear feet and cave in like front feet suited for digg ing. They have consumed the ve suitation and finished the grasses which birds feed on. Emigration is when a species moves out of an area or region. This reduces the population in the region but in enlistment increases the population in the area they have relocated to. whiz cause of emigration may be the depletion of resources or a forceful change in the environment, such as when the wetlands have been destroyed to the point that water has taken over the marsh. The population size of it of the nutria falls under immigration due to the situation they are an invasive species and not native to the area. The coypu also falls under the birth rate factor and as stated earlier they can start reproducing at sestet months and can have 40 offspring over a three year period. I think the Nutria population, one time the resources have been depleted, will migrate to other worthy fixture where there is water and a plentiful feed supply. Their fruitful rate may slow until a new-sprung(prenominal) suitable has been ! effect and established. The Brown Treesnake on Guam. (). Retrieved from...If you want to get a dear essay, order it on our website: BestEssayCheap.com

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