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- The per capita growth rate of a population where dispersal is not a factor is expressed as (a) i + e (b) b d (c) dN/dt (d) rN(K N) (e) (K N) KWhich of the following would have the largest capture efficiency in the Lotka-Volterra model of predator-victim interactions? A caterpillar eating a plant A bat eating mosquitoes A small tarantula wasp eating a much larger tarantula A killer whale eating a seal Which of the following is NOT an assumption of the Lotka-Volterra model of predator-victim interactions? Prey have limited resource availability No age, stage or size structure in the population Continuous population growth (no pulses or lags) Victims and predators encounter each other at random Predator is a complete specialist O OA coyote population in Colorado has 40 individuals, the potential reproductive rate per individual per year is 1.5, and the carrying capacity of the area is 50 coyotes. In the same habitat, the bobcat population has 30 individuals, the potential reproductive rate per individual per year is 2, and the carrying capacity of the area is 100 bobcats. The bobcats depress population growth of coyotes through competition by 0.20, while the coyotes depress population growth of bobcats through competition by 1.1. What will the population size be for coyotes next year? *Note that this is the other half of the bobcat question, and you need to round your answer to a whole animal. 40 5 45 16 55
- Exponential population growth occurs when N=K. True FalseDetermine whether each of the following statements are true or false as argued by Legović and Geček (2010) in Impact of maximum sustainable yield on independent populations. Biotic potential is the per capita birth rate minus the death rate when the population is less than the carrying capacity. O True O False When calculating logistic growth of a population, the carrying capacity must be considered. True O False Independent populations neither compete with each other nor are part of a prey/predator interaction. True False To avoid overfishing and/or extinction, harvesting effort should be equal for all independent populations within an ecosystem. True False Harvesting effort for populations that are a food source for other populations, such as sardines and anchovies, do not need to consider the impact on higher trophic levels. True False Management procedures for an independent population should consider carrying capacity and biotic potential. TrueThe carrying capacity refers to the Group of answer choices: maximum sustainable population size for the prevailing environment. maximum growth rate of a population in which resources are unlimited. minimum amount of resources needed to sustain a finite population with zero population growth. minimum number of individuals in a population required to assure reproductive success.
- Populations with exponential growth patterns do not experience a lag phase, populations with logistic growth patterns are the ones that have lag phases. True FalseWhich of the following situations describes a population at carrying capacity (K)? Group of answer choices Births + immigrants > deaths + emigrants. Births + immigrants = deaths + emigrants. Births + immigrants < deaths + emigrants.Example: Lynx and Hare: 1. What occurs to the Lynx population when the number of snow hares increase? KEY Snowshoe hare Lynx 160 2. Why does the number of lynx decreases in year 1925? 120 80 40 3. Between what two years is the hare population at its greatest? 1850 1875 1900 1925 Year Carry Capacity: Thousands of lynx
- What is the relationship between population density and available resources? exponentially proportional There is no relationship. directly proportional inversely proportionalIn 2010, 150 coyotes (Canis latrans) were counted in Pierce County, WA. And the growth rate is 14 coyortes per year. Following a survey of the community, the social carrying capacity of coyotes was around 500 individuals. How long will it take for the coyote population to reach this human tolerance goal? Biologists have estimated the biological carrying capacity for coyotes in the county to be 1000 individuals. How long will it be before the population reaches carrying capacity using exponential growth? Would it take more or less time for the population to reach carrying capacity if using logistic growth equation and assumptions?In the Lotka-Volterra equations for predator (P) and prey (V) population sizes, shown below, what term represents the carrying capacity for each species? dV = rV - pVP сpVP — d,P dt dP I3| dt O Pand V dP and dV p and c pVP and dpP Carrying capacity is not represented in the Lotka-Volterra equations