Question

Imagine a predator–prey interaction in which a certain number of the prey population cannot be eaten...

  1. Imagine a predator–prey interaction in which a certain number of the prey population cannot be eaten because of a refuge in their environment that the predator cannot enter.

a. Why might interaction terms like −s(P − w)Q and v(P − w)Q be reasonable in the modeling equations? Explain what those interaction terms mean?

b. What is the meaning of w? (What does the variable stand for?)

c. In a biologically realistic model, can P < w? Why or why not?

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