BIOS 101 Lab Report

Anonymous
timer Asked: Nov 10th, 2016

Question description

I need help writing the discussion section of my bios 101 lab report on demography. Basically, for this lab we were required to go to a cemetery and record the years of the life of individuals that was stated on their tombstones. I visited New Light Cemetery located in Lincolnwood, Illinois to collect this data. I also recorded the age of the individuals which helped me create a life table and survivorship curve. Now Im asking for someone to help me write the discussion portion of this lab report only as I have done everything else.


"Discussion. Examine your data and possibly compare your cemetery population to contemporary people. To do this, you will probably need to do outside research and come up with a figure from the literature. six paragraphs." These outside sources must be cited as well.

Attached is my current lab report as well as the data I collected in the cemetery.

Shiraz Syed BIOS 101 – Lab Report 1 Dr.Molumby Demography Part I & II: Life Tables Lab Report Introduction: The primary purpose of this lab was to focus on providing an introduction to life tables and illustrate how different patterns of birth and death rates may lead to survivorship curves. The lab also focused on the rates between births and deaths. When there are increasing amounts of births compared to deaths, this is known as a population growth. In contrast, when the rate of births is less than the rates of death, this is known as a population decline. We learned that there can never be a forever declining or increasing population size which means that in a long term aspect, births must equal deaths eventually. When talking about animals, populations can alter when they move into a different population or out a population. This is known as immigration and emigration, respectively. It is essential for ecologists to record these births and deaths in order to predict and study changes in population size. When talking about population, individuals do not live forever. Some die young and some die old. There are different factors that are directly related to the length of life. These factors are life span and life expectancy. Life span is known as the average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances (Merriam-Webster). Life expectancy is known as the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation (Marriam-Webster). This lab was oriented to focus on the construction of life tables. These life tables show what the probability is that a person of a certain age will die before his or her next birthday. In other words, their probability of dying. It represents the survivorship of people from a certain population. Part I of this lab was using pre-recorded data given to us in the lab manual in order to create survivorship curves. Part II was our own data that we recorded outside of lab to help understand how to construct life tables. Based on these life tables, we were able to construct the survivorship curve as well. Methods: The first section of the lab was showing the examples of the life tables as seen in Table 1 of page 102 in the lab manual. It allowed us to construct the survivorship curve based on the given data. The second part of this lab was where the actual tested data was collected. This meant going to a cemetery and recording the years of the life of individuals that was stated on their tombstones. I visited New Light Cemetery located in Lincolnwood, Illinois to collect this data. I also recorded the age of the individuals which helped me create a life table and survivorship curve. I made a table of these numbers as can be seen in the results section of this lab report. Results: Life Table (Data collected from New Light Cemetery in Lincolnwood, IL) X Age (Years) D (x) S(x) I(x) 0 1 5 10 15 20 25 30 35 40 45 50 3 6 2 0 0 0 1 3 3 0 2 7 50 47 41 39 39 39 39 38 35 35 35 33 1 0.94 0.82 0.78 0.78 0.78 0.78 0.76 0.7 0.7 0.7 0.66 55 60 65 70 75 5 5 4 4 2 26 21 16 12 8 0.52 0.42 0.32 0.24 0.16 Years of Individuals & Age of death Years Age of Death 1877-1916 36 1875-1901 26 1837-1893 56 1852-1905 53 1877-1915 38 1862-1927 65 1867-1923 56 1897-1927 30 1836-1923 87 1858-1922 64 1858-1895 37 1860-1914 54 1851-1909 58 1856-1925 69 1848-1923 75 1837-1912 75 1840-1900 60 1850-1912 62 1845-1929 84 1881-1887 6 1840-1887 47 1843-1893 50 1843-1890 47 1891-1895 4 1901-1901 0 1839-1902 63 1856-1908 52 1905-1911 6 1871-1903 32 1896-1896 0 1899-1899 0 1863-1925 62 1873-1928 1828-1893 1885-1886 1856-1910 1837-1908 1851-1910 1876-1878 1881-1883 1887-1889 1906-1907 1852-1924 1848-1922 1843-1917 1880-1911 1838-1927 1847-1914 1850-1903 1875-1927 55 65 1 54 71 59 2 2 2 1 72 74 74 31 89 67 53 52 Survivorship Curve based on life table Discussion:
Shiraz Syed Demography Part II Molumby X Age (Years ) 0 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 D (x) S(x) I(x) 3 6 2 0 0 0 1 3 3 0 2 7 5 5 4 4 2 50 47 41 39 39 39 39 38 35 35 35 33 26 21 16 12 8 1 0.94 0.82 0.78 0.78 0.78 0.78 0.76 0.7 0.7 0.7 0.66 0.52 0.42 0.32 0.24 0.16 Years 1877-1916 1875-1901 1837-1893 1852-1905 1877-1915 1862-1927 1867-1923 1897-1927 1836-1923 1858-1922 1858-1895 1860-1914 1851-1909 1856-1925 1848-1923 1837-1912 Age of Death 36 26 56 53 38 65 56 30 87 64 37 54 58 69 75 75 1 1840-1900 1850-1912 1845-1929 1881-1887 1840-1887 1843-1893 1843-1890 1891-1895 1901-1901 1839-1902 1856-1908 1905-1911 1871-1903 1896-1896 1899-1899 1863-1925 1873-1928 1828-1893 1885-1886 1856-1910 1837-1908 1851-1910 1876-1878 1881-1883 1887-1889 1906-1907 1852-1924 1848-1922 1843-1917 1880-1911 1838-1927 1847-1914 1850-1903 1875-1927 60 62 84 6 47 50 47 4 0 63 52 6 32 0 0 62 55 65 1 54 71 59 2 2 2 1 72 74 74 31 89 67 53 52 2 3

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