Free Practice Question
CR · Critical Reasoning
555-605
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A few years ago, the population of the rare blue heron was critically low, prompting wildlife experts to establish a breeding program in a protected area. Since then, the blue heron population has quadrupled, and experts believe this number is sufficient for the species to survive in the wild. However, due to ongoing threats to their habitat, the experts plan to relocate the blue herons 1,500 miles to a region where the common heron thrives. They predict this move will ensure the long-term survival of the blue heron.
Which of the following, if true, undermines the experts' prediction?
Which of the following, if true, undermines the experts' prediction?
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The common heron and the blue heron have similar dietary needs.
B
No blue heron has ever been seen within 800 miles of the relocation site.
C
The common heron and the blue heron have interbred in the past, leading to a decline in the blue heron population.
D
The common heron used to inhabit the same areas as the blue heron, but its range has shifted significantly over time.
E
Some predators that threaten blue herons do not pose a threat to common herons.
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SuhaniJan 17, 2025
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Details
Difficulty
555-605
Type
CR