Suppose That a Predatory Fish Eats Only Minnows and the Predator‒prey

question 31

Multiple Choice

Suppose that a predatory fish eats only minnows and the predator‒prey interaction follows Lotka‒Volterra dynamics. The intrinsic growth rate of minnows in the absence of predators is 0.2 per month, and the mortality rate of the predatory fish in the absence of minnows is 0.1 per month. The capture efficiency rate is 0.004, and the efficiency at which minnow biomass is converted into predator biomass is 0.25. The minnow population size will increase only if the number of predatory fish is

• A) below 50.
• B) equal to 50.
• C) above 50
• D) below 100.

---

Definitions:

Ana-

A prefix meaning "up, back, again, anew," used in medical terms.

Sarcoma

A type of cancer that originates in the bones and soft tissues, including fat, muscles, blood vessels, and fibrous tissues.

Carcinoma

A type of cancer that starts in cells that make up the skin or tissue linings of organs.

Glioma

A type of tumor that occurs in the brain and spinal cord, originating from the glial cells.