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22 Sep 2026, 06:17
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
65% (01:48) correct
35%
(01:41)
wrong
based on 60
sessions
History
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Time
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Shelton: The recent sharp decline in the number of moose in this region was caused by a large increase in the white-tailed deer population. While the deer do not compete with moose for food, they carry a dangerous parasite that can be transferred to any moose living nearby.
Russo: The neighboring region has also experienced a large increase in the white-tailed deer population, but the moose population there has remained stable.
Which one of the following, if true, most helps to resolve the apparent conflict between Shelton's and Russo's statements?
(A) The region with the declining moose population is larger than the neighboring region and, even after the decline, has more moose than the neighboring region.
(B) The region with the declining moose population consists mainly of high-quality moose habitat, but the quality of moose habitat in the neighboring region is marginal.
(C) Wolf packs in the region with the declining moose population generally prey on only moose and deer, but in the neighboring region the wolf packs prey on a wider variety of species.
(D) There is a large overlap in the ranges of moose and white-tailed deer in the region with the declining moose population, but not in the neighboring region.
(E) Moose require a habitat with very little human settlement, whereas white-tailed deer often thrive in and around areas with considerable human settlement.
Russo: The neighboring region has also experienced a large increase in the white-tailed deer population, but the moose population there has remained stable.
Which one of the following, if true, most helps to resolve the apparent conflict between Shelton's and Russo's statements?
(A) The region with the declining moose population is larger than the neighboring region and, even after the decline, has more moose than the neighboring region.
(B) The region with the declining moose population consists mainly of high-quality moose habitat, but the quality of moose habitat in the neighboring region is marginal.
(C) Wolf packs in the region with the declining moose population generally prey on only moose and deer, but in the neighboring region the wolf packs prey on a wider variety of species.
(D) There is a large overlap in the ranges of moose and white-tailed deer in the region with the declining moose population, but not in the neighboring region.
(E) Moose require a habitat with very little human settlement, whereas white-tailed deer often thrive in and around areas with considerable human settlement.
22 Sep 2026, 19:30
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Shelton: The recent sharp decline in the number of moose in this region was caused by a large increase in the white-tailed deer population. While the deer do not compete with moose for food, they carry a dangerous parasite that can be transferred to any moose living nearby.
Russo: The neighboring region has also experienced a large increase in the white-tailed deer population, but the moose population there has remained stable.
Which one of the following, if true, most helps to resolve the apparent conflict between Shelton's and Russo's statements?
Shelton says deer caused the moose decline because they can transmit a parasite to nearby moose. Russo points out that another region also has more deer but no moose decline. The conflict is resolved if moose and deer come into close contact in the first region but not in the neighboring region.
(A) The region with the declining moose population is larger than the neighboring region and, even after the decline, has more moose than the neighboring region.
Incorrect. The total size of the regions and their absolute moose populations do not explain why deer transmit the parasite in one region but apparently not the other.
(B) The region with the declining moose population consists mainly of high-quality moose habitat, but the quality of moose habitat in the neighboring region is marginal.
Incorrect. This might affect how many moose live in each region, but it does not explain the different effects of the increased deer populations.
(C) Wolf packs in the region with the declining moose population generally prey on only moose and deer, but in the neighboring region the wolf packs prey on a wider variety of species.
Incorrect. This introduces differences in predation, but it does not explain Shelton's specific claim that the moose decline resulted from parasite transmission by deer.
(D) There is a large overlap in the ranges of moose and white-tailed deer in the region with the declining moose population, but not in the neighboring region.
Correct. The parasite can be transferred only when moose live near infected deer. Large range overlap in Shelton's region makes transmission likely, while little overlap in the neighboring region explains why its moose population could remain stable despite the increase in deer.
(E) Moose require a habitat with very little human settlement, whereas white-tailed deer often thrive in and around areas with considerable human settlement.
Incorrect. This general difference in habitat preference does not establish that moose and deer actually have different levels of contact in the two regions.
Answer: (D)
Russo: The neighboring region has also experienced a large increase in the white-tailed deer population, but the moose population there has remained stable.
Which one of the following, if true, most helps to resolve the apparent conflict between Shelton's and Russo's statements?
Shelton says deer caused the moose decline because they can transmit a parasite to nearby moose. Russo points out that another region also has more deer but no moose decline. The conflict is resolved if moose and deer come into close contact in the first region but not in the neighboring region.
(A) The region with the declining moose population is larger than the neighboring region and, even after the decline, has more moose than the neighboring region.
Incorrect. The total size of the regions and their absolute moose populations do not explain why deer transmit the parasite in one region but apparently not the other.
(B) The region with the declining moose population consists mainly of high-quality moose habitat, but the quality of moose habitat in the neighboring region is marginal.
Incorrect. This might affect how many moose live in each region, but it does not explain the different effects of the increased deer populations.
(C) Wolf packs in the region with the declining moose population generally prey on only moose and deer, but in the neighboring region the wolf packs prey on a wider variety of species.
Incorrect. This introduces differences in predation, but it does not explain Shelton's specific claim that the moose decline resulted from parasite transmission by deer.
(D) There is a large overlap in the ranges of moose and white-tailed deer in the region with the declining moose population, but not in the neighboring region.
Correct. The parasite can be transferred only when moose live near infected deer. Large range overlap in Shelton's region makes transmission likely, while little overlap in the neighboring region explains why its moose population could remain stable despite the increase in deer.
(E) Moose require a habitat with very little human settlement, whereas white-tailed deer often thrive in and around areas with considerable human settlement.
Incorrect. This general difference in habitat preference does not establish that moose and deer actually have different levels of contact in the two regions.
Answer: (D)
23 Sep 2026, 01:00
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in X region, there was sharp decline in moose population and its caused by large increase in white tailed deer population. deer and moose dont compete for food. deer carries some dangerous parasite that can be transferred to any moose living nearby.
in Y region, large increase in deer population but moose population remained stable.
paradox= X has seen decline in moose population but Y has not despite the fact that both region has seen increase in deer population.
A how large is X wont help us resolve the paradox at all.
B this compares the quality of moose habitat but this doesnt help. actually this rather deepens the paradox further.
C in X wolf prey on both moose and deer. but the deer population saw increase. so this is not helping. and in Y, wolf prey wide variety of species. basically it compares the wolf's preying behavior in two different region. not helpful.
D if there is large overlap in X, then there is higher chance of deer transferring the parasite to moose. hence reduction in population. but in Y there is not much overlap, hence chances are slim to transfer the parasite. hence moose population remained stable. this helps in solving the paradox. keep.
E this talks about human involvement in both moose and deer habitat. but we are not concerned with that at all. out.
choice C can be tricky but if we zoom in a bit, it actually compares the wolf's preying behavior in two region. whereas D mainly focus on whats happening between moose and deer due to overlap situation.
hope it helps.
choice D
in Y region, large increase in deer population but moose population remained stable.
paradox= X has seen decline in moose population but Y has not despite the fact that both region has seen increase in deer population.
A how large is X wont help us resolve the paradox at all.
B this compares the quality of moose habitat but this doesnt help. actually this rather deepens the paradox further.
C in X wolf prey on both moose and deer. but the deer population saw increase. so this is not helping. and in Y, wolf prey wide variety of species. basically it compares the wolf's preying behavior in two different region. not helpful.
D if there is large overlap in X, then there is higher chance of deer transferring the parasite to moose. hence reduction in population. but in Y there is not much overlap, hence chances are slim to transfer the parasite. hence moose population remained stable. this helps in solving the paradox. keep.
E this talks about human involvement in both moose and deer habitat. but we are not concerned with that at all. out.
choice C can be tricky but if we zoom in a bit, it actually compares the wolf's preying behavior in two region. whereas D mainly focus on whats happening between moose and deer due to overlap situation.
hope it helps.
choice D
yc168
