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# Sci 114 Population Lab

Submitted By logic702
Words 392
Pages 2
* Question 1
0 out of 3 points | | | In the population growth model, what happens if the death rate exceeds the birth rate?Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | The population will decrease and continue to decrease as long as r is negative. | | | | | * Question 2
0 out of 3 points | | | In the population growth model, dN/dt is a measure of --------------------.Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | population growth rate | | | | | * Question 3
0 out of 3 points | | | In the population growth model, what happens to the population size when the birth rate is much larger than the death rate?Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | It grows to K very quickly. | | | | | * Question 4
0 out of 3 points | | | In Predator-Prey Model 1, why are the predator and prey growth curves out of phase?Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | all of these answers are correct | | | | | * Question 5
0 out of 3 points | | | Consider Predator-Prey Model 1, in the plots of population versus time, what do the peaks in the prey population graph signify?Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | At the top of the peak, the prey population is neither increasing nor decreasing (dN prey/dt=0). | | | | | * Question 6
0 out of 3 points | | | In Predator-Prey Model 1, as the predator population continues to increases, the prey population will eventually begin to ____.Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | decrease | | | | | * Question 7
0 out of 3 points | | | When the prey population is above the predator isocline, the predator population is:Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | increasing | | | | | * Question 8
0 out of 3 points | | | When the prey population is below the predator isocline, the predator population is:Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | decreasing | | | | | * Question 9
0 out of 3 points | | | In Predator-Prey Model 2, what is the ultimate response of both populations to the sudden loss of either prey or predators?Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | The equilibrium point is not changed and both populations will ultimately return to their stable equilibrium values. | | | | | * Question 10
0 out of 3 points | | | In Predator-Prey Model 2, when a prey population dramatically decreases, the predator population will subsequently _______.Answer | | | | | Selected Answer: | [None Given] | Correct Answer: | decrease dramatically as well | | | | |
Wednesday, September 3, 2014 10:29:50 PM EDT

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