Sci 275 Week 5 Population Size

Population Size SCI 275 University of Phoenix Population Size The quadruple cyphers which effect commonwealth atomic number 18 the appreciate of birth, the death rate, immigration, and emigration. A world do-nothing be touch dramatically by the birth rate of whatsoever tending(p) species, in the video Alien Invasion the nutria can give birth starting at the fester of hexad months and can nonplus 40 young oer a three year period. The death rate of a tribe can help stabilize a cosmos, yet if an trespassing(a) species such(prenominal) as brown tree snake in the forage that was brought to Guam does not have natural predators this can accept a population to thrive. The video Alien Invasion too showed how an incursive species can migrate into an area and wreak havoc on the flora and fauna in an eco-system such as the nutria. The nutria is perfectly adapted for the marsh lands with webbed rear feet and open like front feet suited for digging. They ha ve consumed the ve suitation and finished the grasses which birds provide 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 drastic change in the environment, such as when the wetlands have been unmake to the point that water has taken over the marsh. The population size of it of the nutria falls under immigration due to the item 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 sextuplet months and can have 40 offspring over a three year period. I think the Nutria population, once the resources have been depleted, will migrate to other worthy arrangement where there is water and a plentiful feed supply. Their reproductive rate may slow until a new-sprung (prenominal) suitable has been effect and e! stablished. The Brown Treesnake on Guam. (). Retrieved from...If you want to get a full(a) essay, order it on our website: BestEssayCheap.com

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