-- In the area where the two co-occur historically the following is their respec

Question

-- In the area where the two co-occur historically the following is their respective isoclines. Questions 1-3 refer to this graph

1. Here is a zero-growth isoclines diagram for the interaction of the rare southern snuffle to areas where the more common northern snuffle lives. What is the outcome of the interactions between them?

A) N1 wins

B) N2 wins

C) Stable coexistence

D) Unstable coexistence

E) None of the above

.

2. In point a what happens to population dynamics of each species

A) N1 increases and N2 decreases

B) N1 decreases and N2 increases

C) Both increase

D) Both decrease

E) No change

.

3. Point b represents what

A) Carrying capacity of N1 when alone

B) Non-stable equilibrium point

C) Stable equilibrium point

D) Carrying capacity of N2 when alone

E) None of the above

.

.

4. ___, _____ symbolizes interspecific competition

A. -, +

B. +, +

C. -, -

D. 0, +

E. 0, -

.

5. ___, _____ symbolizes exploitation

A. -, -

B. -, +

C. +, +

D. 0, +

E. 0, -

.

6. ___, _____ symbolizes commensalism

A. -, -

B. -, +

C. +, +

D. 0, +

E. 0, -

Explanation / Answer

Ans. 1 the stable coexitence. Ans.is c this type of graph in lokta volterra equation is shown by when two species can coexist.

Ans. 2 both increase but below their carrying capacity.

Ans. 3 c stable equilibrium point.

Ans. 4 C

Ans. 5 B

Ans. 6 D

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