3. We went to Gull Lake and captured, marked, and released 15 muskrats. This morning, we returned and caught 65 muskrat

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3. We went to Gull Lake and captured,marked, and released 15 muskrats. This morning, wereturned and caught 65 muskrats, 8 of which were marked. What isthe population size of muskrats in the lake?
Imagine we go back to Gull Lake and estimate the density ofmuskrats one year later and it is 1175 muskrats. Based on thisinformation and the population size you estimated in Part A,calculate λ. Show yourwork.
Based on your calculations, is the population of muskrats atGull Lake increasing, decreasing, or stable? Explainyour reasoning in 1 sentence.
4. Scientists studying the Belize BarrierReef notice that the mantis shrimp population is declining, so theyexhaustively census the population and find that the populationsize is 475 individuals. This species lives in a stable environmentwithout pulsed reproduction. They continue to monitor thepopulation and calculate an intrinsic rate of increase of -0.10.What will the population size be after 5 years? Show yourwork.