35 .Which of the following, if true, would most weaken the author’s argument in lines 30-32?
A) Predation studies on Delta and Bechler packs done by a separate research group
show their diet to consist almost entirely of elk.
B) Northern packs that occasionally roam into the park’s interior have more stable
populations than other northern packs.
C) In 2013 a pack of coyotes infected with mange migrated into the park and wolf
populations soon declined.
D) Studies of bison populations are incomplete and are known to over-estimate the
number of bison living in YNP.36 .The fifth paragraph (lines 57-85) most strongly suggests which of the following about the
predation data gathered in 2012?
A) The wolves are primarily responsible for the drops in the elk population.
B) The predation data is incomplete.
C) Most of the packs were observed by ground teams.
D) Researchers documented characteristics of only wolf prey.
37 .Which choice provides the best evidence for the answer to the previous question?
A) Lines 59-63 (“Wolf packs...mid-December”)
B) Lines 63-68 (“The Blacktail...session”)
C) Lines 71-73 (“The Delta...located”)
D) Lines 78-85 (“During...sites”)38 .The passage suggests that the relationship between elk and wolf populations is best
characterized as which of the following?
A) The size of the northern wolf packs is the major limiting factor on elk populations.
B) The superior hunting tactics that wolves possess are one of many factors that affect
elk populations.
C) The sizes of wolf and elk populations affect one another.
D) The size of the elk population is the major limiting factor on the wolf packs.
39 .Which choice provides the best evidence for the answer to the previous question?
A) Lines 25-27 (“Wolf numbers...YNP”)
B) Lines 51-52 (“Wolf packs...2012”)
C) Lines 57-59 (“Wolf-prey...sites”)
D) Lines 90-94 (“In addition...severity”)40 .The author references weather (lines 94-96) primarily in order to
A) illustrate one possible logistical difficulty in tracking wolves in YNP.