BIO 310 E. Grman Consider the set of isoclines below. 100 40 20 N, 100 8. (2 pts
ID: 220003 • Letter: B
Question
BIO 310 E. Grman Consider the set of isoclines below. 100 40 20 N, 100 8. (2 pts) If the community starts at point a (in the figure), indicate the equilibrium outcome (number of each species): N1: 30N2: 10 9. (2 pts) If the community starts at point b (in the figure), indicate the equilibrium outcome (number of each species): N1: 4 N2: 10 10. (2 pts) If the community starts at point c (in the figure), indicate the equilibrium outcome N2: 0 (number of each species): N1: 2S (2 pts) Could these isoclines ever result in stable coexistence? (circle) (Yes the Lotka-Volterra predator prey model. pts) What effect will increasing a have on the predator population size? cle increase decrease no effectExplanation / Answer
Lotka-Volterra Competition Model
Model describes competition between organisms for food or space Based on logistic growth curve
species interact, each is affecting population growth of the other.
8. If the community starts at point a indiacate the equilibrium outcome N1: 30 N2:10
9. If the community starts at point b indicate the equilibrium outcome N1: 45 N2:10
As per the Lotka-Volterra Competition Model one species decreases & one species increases
10. If the community starts at point b indicate the equilibrium outcome N1: 25 N2:90
Yes, these isoclines will result in stable coexistence.
The increasing in the a will have increase in the predator population size
Because in Competitive Coexistence
The effect of each species on dN/Ndt of the other is less than effect of each species on its own dN/Ndt and the Intraspecific competition more intense than interspecific competition
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