A population grows in discrete time according to the logistic growth equation. At time t, the population is 50 individuals. If K is 100 andris 1.5, what is the population size at t + 1 (the next timestep)? (please round to the nearest whole number) а. 96
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- A population grows in discrete time according to the logistic growth equation. At time t, the population is 50 individuals. If k is 100 and r is 1.5, what is the population size after 50 generations? (please round to the nearest whole number) О а. 96 b. O c. 100 O d. 88 е. 120 f. 50What happens in logistic population growth whenr>3.7? O a. Population size goes to 0. O b. Population exhibits damped oscillations О с. Population exhibits period-doubling сycles d. Population exhibits chaos e. Population size goes to carrying capacityASAP
- The 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 circumstancesIn the exponential model, starting with 10 individuals and r= 2, what will my population size look like in 5 timesteps? O a. 0 а. O b. 10,000 Ос 10 х е^10 O d. 5xe^10What is the population size after 20 timesteps assuming exponential dynamics, an initial population size of 5, and r=0.2? Round to nearest whole number. a. b. 273 С. 151 d. 1000 е. 303
- A researcher decides to try to incorporate stochasticity by changing carrying capacity (K) in the logistic model over time. This would be best considered а. Noise O b. Demographic heterogeneity С. This is not stochasticity O d. Demographic stochasticity O e. Environmental stochasticityIf you graphed the population size over time of a population experiencing logistic growth, what would it look like? a curved line that then levels off at K O a straight line continuing higher and higher O a curved line that then levels off at r O a curved line continuing higher and higherUnder logistic population growth what happens as N becomes similar in size to K? Group of answer choices a. population growth speeds up b. K shrinks c. K expands d. population growth approaches zero e. population growth becomes negative
- Based on the equation for logistic population growth, Logistic Growth O A. new Individuals are added most rapidly at low population sizes. This figure displays the equation for logistic population growth and visualizes population growth as a function of time (number of generations) as it approaches carrying capacity. N stands for population size, K stands for carying capacity, and r stands for intrinsic rate of increase. O B. population growth never exceeds K. C. growth rate decreases as N approaches K. D. the population keeps growing when N equals K. K= carrying capacity dN (K-N) dt Number of generations ered MacBook Air F10 F11 吕口 F3 888 F4 F5 F1 F2 $ % & * @ 7 9 2 4 Y P Q W E R F G H K A S D C V N M Z .. * CO B #3 Population size (M)Which of these best describes the population growth shown in the graph? 0 1 2 3 4 5 Days A. On day 1, the resources of the population limit its growth. On day 2, the birthrate per individual is greater than on day 1. C. В. On day 3, the population size is equal to K. D. On day 4, the curve is most similar an exponential growth curve. On day 5, the number of deaths approaches the number of births. Е. Population SizeA population of tamarisk leaf beetles breeds only in the spring and dies in a pulse at the end of the fall, with one time step per year. Beetles were introduced to the Albuquerque bosque with an initial size of 30 individuals and a finite rate of increase = 1.8. What was the population size five years later? Note: You need to first figure out which equation to use for this problem. O 10 beetles O 54 beetles 500 beetles O 564 beetles O 243,092 beetles