AP Environmental Scienceeasymcq1 pt
A fish species dies below 5 °C and above 30 °C, thriving at 18 °C. What is its optimal temperature?
A.18 °C
B.5 °C
C.30 °C
D.Any temperature in between
Explanation
Core Concept
The optimum sits between the lethal limits where growth and reproduction peak — the center of the tolerance curve.
Correct Answer
A18 °C
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