Question

6. Population growth with differences in compensation: What is the pattern of population growth for (1)-(5)? Compare the pattern of growth for populations with differences in compensation. Use equations from equation sheet (not book) for problem. The best way to do the comparisons will be to graph the growth of the populations over at least 10 generations. Sketches are acceptable if following the correct growth pattern. Note: the model does not have the same K with the different compensations Population parameters for all cases: Cases of compensation R = 8.0 1) b= 1.8 2) b = 3.5 K = 5000 3) b=1 4) b-0 No=100 5) b = 8.2

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Answer 1

Given the following growth equation, which of the following is true? dN/dt = rN(l-N/K) Population growth rate is density-dependent. When .N is low relative to K, the population growth rate decreases. K changes with population density (N). When N is high relative to K, the population growth rate increases. Refer to the figure attached below. Which of the following best describes the exponential growth trend? Birthrates are increasing. Population growth is density-dependent. Death rates are decreasing. Larger populations have higher growth rates. It takes less tune for smaller populations to increase in size. Which of the following is true about competition and survival? Population density increases competition, which results in delayed age at sexual maturity in short-lived organisms. Resource availability- doesn't impact the probability of survival of individuals. Competition only exists when it impedes growth, survival, or reproduction of individuals. Competition is density-dependent, where as survival is density independent.