Which of the following factors is probably the most important in the success of the reintroduction of wolves in Yellowstone National Park?
A. The cooperation of local residents.
B. The genetic diversity in the population.
C. The availability of prey species.
D. The hybridization of the species with coyotes.
E. Both "The cooperation of local residents" and "The availability of prey species."
Ans: E. Both "The cooperation of local residents" and "The availability of prey species."
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Conifers are particularly common in mountain and high-latitude forests. What key characteristics of conifers give them an advantage over other plant phyla in these biomes?
_____ production of resin. _____ the conical shape of the tree. _____ leaves with a relatively large surface area. _____ flexible branches. _____ a waxy cuticle. _____ tori. _____ loss of leaves during the winter months.
Which statement does not represent one of Darwin's observations?
a. All individuals have an equal chance to survive and reproduce. b. Changes in populations are gradual and take place over long periods of time. c. Members of the same species may exhibit considerable variation. d. Some characteristics are heritable and passed on to offspring. e. Some characteristics afford their possessor a better chance of survival.
Hazardous waste
What will be an ideal response?
Which of the following key HAI's is not associated with its correct cause?
A) Methicillin-resistant Staphylococcus aureus (MRSA): Causes dangerous infections of surgical wounds, bedsores, and central lines; primarily transmitted by touch B) E. coli: Urinary tract infections and bacteremia C) Vancomycin-resistant enterococci (VRE): Causes wound, bloodstream, and urinary tract infections D) Clostridium difficile: Causes acute illness that is followed by a high risk of chronic infection that causes severe liver damage and increases the risk of liver cancer E) Pseudomonas aeruginosa: Causes infections in burn patients, catheterized patients, and people on ventilators