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- While studying a emerging population of seals, you're asked to determine if the population is in Hardy-Weinberg equilibrium. Given the below data determine the chi square and whether the population is in H-W equilibrium. Choose the closest numerical answer for the chi-square value and either yes or no regarding whether the population is in HWE. AA - 45 Aa - 35 aa - 20 A chi-square critical values table is here (Links to an external site.). Group of answer choices 2.56 6.42 6.20 6.92 No Yes 3.45You have been tasked to estimate the number of pigeons along a lakeside in western Texas. To accomplish your assigned task, you capture 37 pigeons and mark them with PIT tags. You return to the site one week later and resample the population by capturing 52 pigeons. Of the 52, 30 are marked from your first sample. How many pigeons are in the population?It is estimated that approximately 20,000 grizzly bears live in Western Canada, Yukon, and Northwest Territories. Currently, there are 146 grizzly bears remaining in Jasper National Park in an area of 7500 km2. Calculate the density of the grizzly bear population in Jasper Park. Express your answer as a value rounded to two decimal places. Units = grizzly bears/km2
- If each adult female powerful owl produces 1 female juvenile (F) each year, the adult survival rate (Sa) is 0.8, the juvenile survival rate (Sj) is 0.4, and the population is N2022=1400 adult females and 1400 juvenile females in 2022, what will be the female population size in 2027 (N2027)? Show your calculations. (hint: use excel to set up a model and check your work)The frequency of a recessive allele in a population is 40%. What variable in the Hardy Weinberg equations does the 40% refer to? Why?You want to estimate the population size of pink salmon in the upper pitt river and use a mark-recapture technique to do so. You mark 1313 individuals as they pass under the port mann bridge. two weeks later you recapture 2245 individuals in pitt lake of which 204 have marks on them. What is your estimate of the population size?
- A population of wolves in a national park is known to be 150 individuals. As wildlife ecologist, you are tasked with assessing the accuracy of the mark and recapture technique. At the start, you mark 30 wolves, and your recapture yields 20 wolves, 5 of whom are marked. State whether the mark and recapture data results in an over or underestimation of the actual population size, and show work to support your claim.In the logistic model of population growth what are N and K and what happens if N>K and explain why. Ho w is the population growth affected if N=K?You are studying a density - dependent turtle population that has the following relationships for the birth rate b’ and the death rate d’ as a function of population size (N) : b’ = 0.10 + 0.03 N - 0.0005 N ^2 d’ = 0.20 + 0.01 N Plot these functions in the same graph and discuss the population dynamics of the turtle. How does this model differ from the simple logistic model with linear birth and death functions?
- To measure the population of lake trout in a 250-hectare lake, 100 individuals were netted and marked with a fin clip, and then returned to the lake. The next week, the lake is netted again, and out of the 300 lake trout that are caught, 15 have fin clips. Using the capture-recapture estimate, the lake trout population size could be closest to? Also, what formula do I use to solve this problem? Thank You!In a population of 1000 individuals, 415 are AA, 395 are Aa, and 190 are aa. Assume any difference in expected versus observed genotype frequencies greater than 3% is statistically significant. Is this population in Hardy-Weinberg equilibrium? 1.yes 2.no 3.more info neededThere are seven conditions needed to maintain Hardy-Weinberg equilibrium. What is the likelihood that a real population will meet all seven conditions? a highly likely b somewhat likely c somewhat unlikely d highly unlikely
