Concept explainers
Suppose the model of Exercise 22 is replaced by the equations
(a) According to these equations, what happens to the insect population in the absence of birds?
(b) Find the equilibrium solutions and explain their significance.
(c) The figure shows the phase trajectory that starts with 100 birds and 40,000 insects. Describe what eventually happens lo the bird and insect populations.
Want to see the full answer?
Check out a sample textbook solutionChapter 9 Solutions
Calculus, Early Transcendentals
- Calculus For The Life SciencesCalculusISBN:9780321964038Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.Publisher:Pearson Addison Wesley,