Environmental scientist Dr. Chen explains why the river's fish population has declined dramatically over the past decade. The construction of...
GMAT Expression of Ideas : (Expression) Questions
Source: Prism
Expression of Ideas
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Environmental scientist Dr. Chen explains why the river's fish population has declined dramatically over the past decade. The construction of upstream dams has significantly reduced water flow during spawning season. _____ many fish species cannot reach their traditional breeding grounds and reproduction rates have plummeted.
Which choice completes the text with the most logical transition?
A
Similarly,
B
Consequently,
C
Meanwhile,
D
In addition,
Solution
Step 1: Decode and Map the Passage
Part A: Create Passage Analysis Table
| Text from Passage | Analysis |
|---|---|
| "Environmental scientist Dr. Chen explains why the river's fish population has declined dramatically over the past decade." |
|
| "The construction of upstream dams has significantly reduced water flow during spawning season." |
|
| "[MISSING TRANSITION]" |
|
| "many fish species cannot reach their traditional breeding grounds and reproduction rates have plummeted." |
|
Step 2: Interpret the Question Precisely
This is a fill-in-the-blank question asking us to choose the best logical connector. The answer must create the right relationship between what comes before and after the blank.
Step 3: Prethink the Answer
- Looking at our passage analysis, we have a clear cause (reduced water flow from dams) followed by the effect (fish can't reach breeding grounds and reproduction drops)
- The missing transition needs to show this cause-and-effect relationship
Answer Choices Explained
A
Similarly,
Similarly,
✗ Incorrect
- "Similarly" suggests we're comparing two parallel situations
- This doesn't fit because we're showing what results from the dam construction
B
Consequently,
Consequently,
✓ Correct
- "Consequently" perfectly signals the cause-and-effect relationship we identified
- It shows that fish being unable to reach breeding grounds is a direct result of the reduced water flow
C
Meanwhile,
Meanwhile,
✗ Incorrect
- "Meanwhile" indicates something happening at the same time
- This doesn't work because fish being unable to breed is the result of dam construction, not simultaneous with it
D
In addition,
In addition,
✗ Incorrect
- "In addition" suggests we're adding more information to a list
- This doesn't fit because reduced reproduction is the consequence, not additional information
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