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SCI 115 POPULATION BIOLOGY LAB QUIZ

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In a growing population, in the population growth model, as the population (N) gets close to the carrying capacity (K), the rate of population growth (dN/dt)

Question 2
0 out of 3 points
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In the population growth model, what happens to the population size when the birth rate is much larger than the death rate?

Question 3
3 out of 3 points
Correct
In the population growth model, the initial size of a population ______ affect the carrying capacity of the environment.

Question 4
0 out of 3 points
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Consider Predator-Prey Model 1, in the plots of population versus time, what do the peaks in the prey population graph signify?

Question 5
0 out of 3 points
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In Predator-Prey Model 1, what causes the peaks in the prey population (i.e., what causes the prey population to stop increasing in size and start decreasing in size)?

Question 6
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In Predator-Prey Model 1, as the predator population continues to increases, the prey population will eventually begin to ____.

Question 7
3 out of 3 points
Correct

When the predator population is above the prey isocline, the prey population is:
Question 8
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When the prey population is below the predator isocline, the predator population is:

Question 9
0 out of 3 points
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Given that the Predator-Prey Model 2 combines aspects of the Population Growth model and the Predator-Prey 1 model, can you determine what is causing the fluctuations? Can you figure out what causes the populations to eventually stabilize at zero population growth?
Question 10
0 out of 3 points
Incorrect
In Predator-Prey Model 2, what is the ultimate response of both populations to the sudden loss of either prey or predators?

Question 1
0 out of 3 points
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In the population growth model, dN/dt is a measure of --------------------.
Question 2
0 out of 3 points
Incorrect
In the population growth model, what happens if the death rate exceeds the birth rate?
Question 3
3 out of 3 points
Correct
In the population growth model, what is the effect of equal rates of birth and death?
Question 4
0 out of 3 points
Incorrect

In Predator-Prey Model 1, why are the predator and prey growth curves out of phase?
Question 5
3 out of 3 points
Correct

In Predator-Prey Model 1, what causes the peaks in the prey population (i.e., what causes the prey population to stop increasing in size and start decreasing in size)?
Question 6
3 out of 3 points
Correct

Consider Predator-Prey Model 1, in the plots of population versus time, what do the peaks in the prey population graph signify?

Question 7
3 out of 3 points
Correct

When the prey population is below the predator isocline, the predator population is:

Question 8
3 out of 3 points
Correct
When the predator population is below the prey isocline, the prey population is:

Question 9
3 out of 3 points
Correct
Given that the Predator-Prey Model 2 combines aspects of the Population Growth model and the Predator-Prey 1 model, can you determine what is causing the fluctuations? Can you figure out what causes the populations to eventually stabilize at zero population growth?

Question 10
3 out of 3 points
Correct
In Predator-Prey Model 2, what is the ultimate response of both populations to the sudden loss of either prey or predators?

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