The Exponential Model Coordinates Population Growth Essay

Discussion Commonly speaking, the theoretical and practical outcome of corresponding experiments done before should be similar with the results of this time. â€Å"The exponential model approximates population growth in its early stage. Table 3.4.1 shows the numbers generated by an organism that doubles at each cycle. Table 3.4.1: Number of Generations: 0 1 2 †¦ 10 †¦ 25 †¦ 40 †¦ 72 Number of Organisms: 1 2 4 †¦ 1024 3.4 x 10^7 1.1 x 10^12 4.7 x10^21.† (Yeagers et al. 1996). Similarly, the first two growth graphs drawn above are also in acceleration phase in the beginning, except the fact that there is a sudden decrease of P. caudatum on the 12th day. However, as on the following two days the number does not continue to go down, there must be some errors when sampling and counting. Despite that the person who conducted the experiment might operate inaccurately during some steps, one of the most common error could happen when counting. Moving swiftly here and there, not all paramecium would slow down obviously, which easily triggers counting mistake. â€Å"But as the density of the population increases, certain resources such as food and space become scarce, predation and disease increase, and waste begins to accumulate. These negative conditions generate a feedback effect: Increasing population density produces conditions that slow down population growth. An equilibrium situation results, in which the populationShow MoreRelatedThe Rapid Growth Of Population Essay1550 Words   |  7 Pagesthe rapid growth of population alarmed me, just around the 1965 our population was very low however in the past few years it has tripled form 20 million to over 100 million. This was when my interest in my countries population developed. Population is one of the conversational topics when talking about a countries profile, in view of the fact that it plays a huge role, in a countries work force, consumption and economy. 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