Virtual Labs

Biotechnology and Biomedical Engineering Population Ecology Virtual Lab II Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Effect of Predator Efficiency on Equilibrium Densities & Pop. Stability

Choose difficulty:

Beginner

Intermediate

Advanced

1. Increasing predator efficiency generally causes:

a: Higher prey equilibrium density and greater stability. Explanation

Explanation

b: Lower predator density and greater stability. Explanation

Explanation

c: Higher predator equilibrium density and reduced population stability. Explanation

Explanation

d: No change in predator or prey populations. Explanation

Explanation

2. Which mathematical model is used in this experiment to study the effect of predator efficiency on population stability?

a: Exponential Growth Model Explanation

Explanation

b: Nicholson–Bailey Model Explanation

Explanation

c: Hardy–Weinberg Model Explanation

Explanation

d: Lotka–Volterra Predator–Prey Model Explanation

Explanation

3. In the simulator, which parameter is varied to investigate the effect of predator efficiency on equilibrium densities?

a: Carrying capacity (K) Explanation

Explanation

b: Encounters resulting in prey kill (predator efficiency, a) Explanation

Explanation

c: Predator death rate (d) Explanation

Explanation

d: Prey growth rate (r) Explanation

Explanation

4. According to the theory, the predator–prey system becomes most stable when:

a: Carrying capacity is zero. Explanation

Explanation

b: Predator and prey populations are equal. Explanation

Explanation

c: Predator efficiency is very high. Explanation

Explanation

d: Predator efficiency is very low. Explanation

Explanation

5. What does the carrying capacity (K) represent in the logistic growth model?

a: The maximum number of individuals the environment can sustainably support Explanation

Explanation

b: The maximum number of predators that can hunt simultaneously Explanation

Explanation

c: The minimum population size required for survival Explanation

Explanation

d: The predator efficiency Explanation

Explanation

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