Population Growth: Worksheet 8 - General Ecology | BIO 160, Assignments of Biology

Download Population Growth: Worksheet 8 - General Ecology | BIO 160 and more Assignments Biology in PDF only on Docsity! General Ecology (BIO 160) Dept. of Biological Sciences Worksheet #8 Sacramento State University Worksheet 8: Population Growth 1. Write the equation for continuous (exponential) population growth below. (6th ed., pgs 205-208; 7th ed., pgs 200-203) a. Explain each term in the above equation. b. Write the equation for r in terms of per capita birth and death rates. c. What is the value of r in each of the following cases? Population declining: Population growing: Population stable: 2. Construct life tables for the following 2 populations. Age (x), number alive at x (nx), and age-specific birth rates (bx) have been provided for you. Calculate survivorship (lx) and lxbx (mean number of females born in each age group adjusted for survivorship. Calculate Ro for each population and indicate whether the population growing, declining, or stable. Plot a survivorship curve for each population (include axes and units). Indicate which type of survivorship curve does each species exhibits (e.g., type I, type II, or type III. (6th ed., pgs 209-214; 7th ed., pgs 204-209) Plox drummondi Age nx lx bx lxbx 0 996 0 1 158 0.3394 2 154 0.7963 3 151 2.3995 4 147 3.1904 5 136 2.5411 6 105 3.1589 7 74 8.6625 8 22 4.3072 9 0 0