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← Nature & AnimalsWhich limitation arises when disruptions reduce countercurrent exchange efficiency in fish gills?
A)Decreases available dissolved oxygen intake✓
B)Increases susceptibility to hyperthermia
C)Promotes lactic from anaerobic respiration
D)Reduces ionic balance in blood plasma
💡 Explanation
When disruption reduces countercurrent exchange, oxygen transfer decreases because the concentration gradient between water and blood lowers which limit oxygen intake. Therefore, decreased oxygen intake results rather than hyperthermia susceptibility; lactic acids; blood plasma imbalance all these problems require some different primary biological failures.
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