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09 Jul 2025, 08:00
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
80% (01:25) correct
20%
(01:43)
wrong
based on 446
sessions
History
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Certain rodents bury seeds in shallow underground caches even when food is plentiful, and they rarely recover all the seeds they store. Researchers hypothesize that seed-burying functions not only as food storage but also as a way to promote new plant growth around the rodents’ home areas, thereby boosting their future food supply.
Which of the following, if true, most strongly supports the hypothesis?
(A) Rodents are more likely to bury seeds in areas where plant density is low than in areas with abundant vegetation.
(B) Some of the seeds buried by rodents are occasionally dug up and eaten by other animals.
(C) Seeds buried in deep caches are often too far down to germinate.
(D) Rodents tend to bury more seeds during years when rainfall is scarce.
(E) In areas where rodents are absent, most seed dispersal occurs via wind and insects.
Which of the following, if true, most strongly supports the hypothesis?
(A) Rodents are more likely to bury seeds in areas where plant density is low than in areas with abundant vegetation.
(B) Some of the seeds buried by rodents are occasionally dug up and eaten by other animals.
(C) Seeds buried in deep caches are often too far down to germinate.
(D) Rodents tend to bury more seeds during years when rainfall is scarce.
(E) In areas where rodents are absent, most seed dispersal occurs via wind and insects.
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Bunuel
GMAT Club Official Explanation:
(A) Correct. Burying seeds more likely in spots where plants are scarce aligns with the hypothesis: the rodents appear to be “planting” where growth is most needed. This is exactly the behavior that would likely help boost future food supply in their home range.
(B) This weakens the hypothesis. If other animals are stealing the seeds, it makes the strategy less effective for boosting the rodents' future food supply.
(C) Irrelevant/Trap. The stimulus already specifies that rodents bury seeds in shallow caches. Evidence about deep caches doesn’t tell us that shallow caches do germinate or that rodents are optimizing for growth. This option is a weak strengthener at best.
(D) Trap. A surge in seed-burying during drought could signal forward-looking “farming,” but it could just as easily reflect a simple need to stockpile when fresh food is scarce; without more context, this options offers only weak support. Not the best option.
(E) Irrelevant. Knowing that wind and insects handle dispersal where rodents are absent tells us nothing about the rodents’ motives in areas they do inhabit and therefore sheds no light on the hypothesis.
General Discussion
09 Jul 2025, 08:18
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The hypothesis which we need to strengthen is seed-burying functions not only as food storage but also as a way to promote new plant growth around the rodents’ home areas, thereby boosting their future food supply.
Option A is the only one that really strengthens this hypotheses.Because the option says rodents bury in places with less vegetation.What does that mean?,it means rodents specifically did that so vegetation would grow in those low density areas,and thus supports our hypothesis.
Hence A is the answer.
Option A is the only one that really strengthens this hypotheses.Because the option says rodents bury in places with less vegetation.What does that mean?,it means rodents specifically did that so vegetation would grow in those low density areas,and thus supports our hypothesis.
Hence A is the answer.
Bunuel
