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Studying the acoustic communication of Amazonian tree frogs
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Updated on: 21 May 2026, 13:34
Updated on: 21 May 2026, 13:34
1
Expert Reply
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Question Stats:
50% (00:48) correct
50% (00:44) wrong based on 4 sessions
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Studying the acoustic communication of Amazonian tree frogs presents a formidable (i) ________ for field biologists, because the amphibians employ such an intertwined (ii) ________ of croaks, chirps, and trills that isolating the function of any single call proves exceedingly difficult. The situation is further (iii) ________ by evidence that identical vocalizations may convey entirely different messages depending on humidity levels and the age of the signaling individual.
| Blank (i) | Blank (ii) | Blank (iii) |
|---|---|---|
| A. incentive | D. sparse | G. exacerbated |
| B. challenge | E. intricate | H. resolved |
| C. paradox | F. rudimentary | I. foreseen |
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Re: Studying the acoustic communication of Amazonian tree frogs
[#permalink]
21 May 2026, 00:27
21 May 2026, 00:27
1
Expert Reply
Explanation
Blank (i):
The sentence says that studying the frogs is difficult because their calls are highly intertwined and hard to interpret. A “formidable challenge” fits perfectly.
A. incentive means motivation/reward, doesn’t fit.
C. paradox: a contradiction, not the main idea here.
B. challenge
Blank (ii):
The frogs use a complex system of sounds.
intricate = highly complex and interconnected.
sparse = thin or limited.
rudimentary = basic or undeveloped.
E. intricate
Blank (iii):
The difficulty becomes even worse because the same sounds can mean different things depending on conditions.
exacerbated = worsened.
resolved = solved (opposite meaning).
foreseen = anticipated.
G. exacerbated
Answer: B,E,G
Blank (i):
The sentence says that studying the frogs is difficult because their calls are highly intertwined and hard to interpret. A “formidable challenge” fits perfectly.
A. incentive means motivation/reward, doesn’t fit.
C. paradox: a contradiction, not the main idea here.
B. challenge
Blank (ii):
The frogs use a complex system of sounds.
intricate = highly complex and interconnected.
sparse = thin or limited.
rudimentary = basic or undeveloped.
E. intricate
Blank (iii):
The difficulty becomes even worse because the same sounds can mean different things depending on conditions.
exacerbated = worsened.
resolved = solved (opposite meaning).
foreseen = anticipated.
G. exacerbated
Answer: B,E,G
gmatclubot
Re: Studying the acoustic communication of Amazonian tree frogs [#permalink]
21 May 2026, 00:27
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