The deer population in many parts of the northeastern United States is perceived to be out of control. What solutions to this problem would you deem to be the most feasible? (Select and defend one or more of the solutions listed below.)
a. Increasing human predation by increasing the length of hunting season .
b. Lowering the birth rate of the deer by putting out feed laced with
birth-controlchemicals.
c. Increasing the rate of predation by re-introducing natural predators such asbobcats and mountain lions.
d. There is no absolute correct answer to this question since each choice, althoughit will impact the deer population, has its pros and cons.
d
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During swallowing, the epiglottis:
A. seals off the entrance to the trachea. B. seals off the entrance to the esophagus. C. opens to allow the passage of food into the trachea. D. opens to allow the passage of food into the esophagus. E. seals off the entrance to the pharynx.
Which of the following statements accurately reflects the differences between Batesian mimicry and Müllerian mimicry?
A. In Batesian mimicry the model must behave differently than the mimic; in Müllerian mimicry they behave the same. B. In Batesian mimicry the model must be more dangerous than the mimic; in Müllerian mimicry they are both dangerous. C. Batesian mimicry does not differ from Müllerian mimicry. Two different scientists discovered these two types at the same time, and they disagreed on what to call it. D. Batesian mimicry differs from Müllerian mimicry in that they occur on different continents—Batesian on the North American and Müllerian on the European. E. Batesian mimicry involves invertebrates; Müllerian mimicry involves vertebrates.
Each of the following could be the terminal electron acceptor in anaerobic respiration except
A) O2. B) sulfur. C) protons. D) iron. E) All could serve as the terminal electron acceptor in anaerobic respiration.
Lactose is a(n)
A) ribose. B) monosaccharide. C) oligosaccharide. D) polysaccharide. E) starch.