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20 Apr 2025, 08:44
Kudos
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D
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:
81% (01:25) correct
19%
(01:41)
wrong
based on 130
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The official listing of an animal species as endangered triggers the enforcement of legal safeguards designed to protect endangered species, such as tighter animal export and trade restrictions and stronger antipoaching laws. Nevertheless, there have been many cases in which the decline in the wild population of a species was more rapid after that species was listed as endangered than before it was so listed.
Which one of the following, if true, does most to account for the increase in the rate of population decline described above?
(A) The process of officially listing a species as endangered can take many years.
(B) Public campaigns to save endangered animal species often focus only on those species that garner the public's affection.
(C) The number of animal species listed as endangered has recently increased dramatically.
(D) Animals are more desirable to collectors when they are perceived to be rare.
(E) Poachers find it progressively more difficult to locate animals of a particular species as that species' population declines.
Which one of the following, if true, does most to account for the increase in the rate of population decline described above?
(A) The process of officially listing a species as endangered can take many years.
(B) Public campaigns to save endangered animal species often focus only on those species that garner the public's affection.
(C) The number of animal species listed as endangered has recently increased dramatically.
(D) Animals are more desirable to collectors when they are perceived to be rare.
(E) Poachers find it progressively more difficult to locate animals of a particular species as that species' population declines.
29 Sep 2025, 21:59
Kudos
Bookmarks
Good question — let’s carefully unpack it.
The paradox:
Endangered listing = stricter laws + protections.
Yet population decline often accelerates after listing.
We need an explanation.
Option analysis:
(A) The process of officially listing a species as endangered can take many years.
→ Explains why numbers may already be low before listing, but doesn’t explain why the rate of decline increases afterward. Not sufficient.
(B) Public campaigns focus only on certain species.
→ Explains why some species may not get attention, but doesn’t directly address the faster decline post-listing. Irrelevant.
(C) More species are listed recently.
→ Just descriptive. Doesn’t explain the paradox.
(D) Animals are more desirable to collectors when they are perceived to be rare.
→ Yes! If listing makes a species officially "rare," demand from collectors increases, driving up poaching and illegal trade. This directly explains why the decline speeds up post-listing.
(E) Poachers find it harder to locate animals as populations decline.
→ If true, poaching should slow down, not accelerate. Opposite effect.
Correct answer: D.
The paradox:
Endangered listing = stricter laws + protections.
Yet population decline often accelerates after listing.
We need an explanation.
Option analysis:
(A) The process of officially listing a species as endangered can take many years.
→ Explains why numbers may already be low before listing, but doesn’t explain why the rate of decline increases afterward. Not sufficient.
(B) Public campaigns focus only on certain species.
→ Explains why some species may not get attention, but doesn’t directly address the faster decline post-listing. Irrelevant.
(C) More species are listed recently.
→ Just descriptive. Doesn’t explain the paradox.
(D) Animals are more desirable to collectors when they are perceived to be rare.
→ Yes! If listing makes a species officially "rare," demand from collectors increases, driving up poaching and illegal trade. This directly explains why the decline speeds up post-listing.
(E) Poachers find it harder to locate animals as populations decline.
→ If true, poaching should slow down, not accelerate. Opposite effect.
Correct answer: D.
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