Free Practice Question
CR · Critical Reasoning
sub-505
Assumptions
During its larval stage, the azure butterfly feeds on a plant known as the Bluebell flower, which allows it to accumulate a chemical called cyanidin, making the butterfly distasteful to potential predators. As the Bluebell flower is now threatened and at risk of extinction, the azure butterfly is also at risk of disappearing. Which one of the following is an assumption required by the argument?
Answer Choices
Correct answer marked belowA
The azure butterfly cannot escape from its predators due to its slow movement.
B
Potential predators of the azure butterfly can identify whether a butterfly's body contains cyanidin just by looking at it.
Feeding on the Bluebell flower is the only way for the azure butterfly to become distasteful to predators.
Correct
D
The azure butterfly can only find Bluebell flowers if they are plentiful in the environment.
E
All potential predators of the azure butterfly have developed a resistance to cyanidin.
See the full step-by-step explanation
You can see the correct answer above. Sign in for free to unlock the complete worked solution.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Preview
Official Explanation
Official
The argument states that the azure butterfly's survival is linked to its feeding on the Bluebell flower, which provides it with a chemical that deters predators. For the argument to hold, it must be assumed that this feeding is the only way for the butterfly to become distasteful. If there were other…
Read the full explanation
Sign in for free to see the complete step-by-step solution to this question.
Comments
4
Sign in to join the discussion
M
MatthiasJan 8, 2025
Greatt
G
GFeb 23, 2025
Can someone explain it other way?
E
ElleJul 8, 2024
got this wrong on my practice
T
ThomasMar 13, 2025
Great
What this question tests
What it tests
Whether you can identify the unstated assumption a critical-reasoning argument depends on.
Common trap
Picking an option that strengthens the argument or is merely relevant instead of one that is required.
Details
Difficulty
sub-505
Type
CR