Of the three models of population growth, which is the most accurate depiction of a population in a natural environment? exponential model linear model boom-and-bust logistic model
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1 Of the three models of population growth, which is the most accurate depiction of a population in a natural environment?
exponential model
linear model
boom-and-bust
logistic model
Step by step
Solved in 3 steps
- Which growth model would you expect to see in a stable population? Select one: Exponential Speculative Factorial Logisticidentify and describe this type of population growth pattern. I put fluctuation growth pattern as it matched up with what i have previously learned but just wanted to double check. i know there is exponential growth, logistic growth, fluctuations and cycles when it comes to population dynamicsWhen does the growth rate of a population following the logistic model equal zero?the logistic model is given as dN/dt = rN (1-N/K)
- Population growth model Notes Population growth Using discrete time steps, which is easier to describe that continuous change, the model for population growth is this: N₁ Try changing the blue numbers, for "r" (rate) and "N0" (start population), below. r: No: Nort Moose: 1.5 House fly: 80 *** 80 Time step (t) (N) Population at end of time step (N₁) 2 0 1 2 3 4 5 6 7 8 9 10 Wolf: 1.2 Z żż ź żż žžžžž ž Cockroach: 40 2 N₁ 160 No 12800 1024000 81920000 6553600000 5.24288E+11 4.1943E+13 3.35544E+15 2.68435E+17 N10 2.14748E+19 N₂ N3 N4 N5 N6 Try these hypothetical "r" values to begin, then try new numbers of your own: N7 N8 N9 Rabbit: 5 Endangered tiger: 0.8If a population has a constant r = 0.3 Group of answer choices the per capita rate of population increase continues to accelerate as the population grows the time necessary for population size to double gets shorter as time goes by since population size is increasing exponentially the absolute increase (change in population size per unit time) is also constant the time necessary for population size to double is also constantThe discrete logistic function (the one you can solve with your calculator) has a time lag built in = one generation. What would a greater time lag do to the outcome? increase the chances of population exceeding K decrease the chances of population exceeding K slow down population growth by decreasing r increase population growth by increasing r it would have little/no effect under all circumstances
- What is the name of the model that exhibits the maximum rate of population growth? Select one: Logistic Factorial Exponential SpeculativePopulation growth model Notes Population growth Using discrete time steps, which is easier to describe that continuous change, the model for population growth is this: N₁ Try changing the blue numbers, for "r" (rate) and "N0" (start population), below. 80 Time step (t) (N) Population at end of time step (N₁) 2 0 1 2 3 4 5 6 7 8 9 10 r: No: Nort Moose: 1.5 House fly: 80 *** Wolf: 1.2 Z żż ź ż żž Ž ž ž ź ż Cockroach: 40 2 N₁ 160 No N₂ 12800 1024000 81920000 6553600000 5.24288E+11 4.1943E+13 3.35544E+15 2.68435E+17 N10 2.14748E+19 N3 N4 N5 N6 Try these hypothetical "r" values to begin, then try new numbers of your own: N7 N8 N9 Rabbit: 5 Endangered tiger: 0.8What is the difference between the exponential (J-shaped) and the logistic growth model (s-shaped)? Select all that apply 0 Small populations grow more slowly in the logistic model because it assumes that there are fewer individuals capable of producing offspring The logistic growth model reaches and inflection point because resources can become limiting in large populations The exponential growth model assumes that there are no limitations of resources on a population no matter how large it gets Carrying capacity is only a component in the exponential growth model, not in the logistic growth model if populations were a metaphor for money, and you wanted to maximize your return on investment, you would choose the logistic growth model
- Distinguish between the exponential and logistic growth of a population and describe the nature of their growth curves. Define environmental resistance. What is the carrying capacity of an environment? Define and give an example of a population crash.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?Which of the following are true for a population that is increasing according to the exponential growth equation? Choose all that are true. per capita birth rate is always greater than per capita death rate O r is constant O ris greatest when the population is greatest the population would continue to grow forever the population grows as if resources are never limiting growth doubling time is constant
