A field ecologist studies fish in a high-altitude lake with low oxygen. Which structural adaptation in the gills (gills) will be most commonly observed?
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) Reduced blood flow in the gills
- (B) Fewer capillaries in gill tissue
- (C) Thicker gill membranes
- (D) Larger surface area for gaseous exchange
Verified Answer
Option (D): Larger surface area for gaseous exchange
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