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In science class, you are identifying and dissecting several fish species. In fish #1, you observe that the muscle tissue is primarily light coloured, while fish #2 has dark muscle tissue.
-What assumption can you make about the swimming behaviour of fish #2?
A)The fish often swims for long distances.
B)The fish likely swims in an undulating fashion.
C)The fish often swims for short distances.
D)The fish would fatigue quickly.
E)The fish swims in explosive short bursts.

Question

Quizplus · Accepted Answer

Dark muscle tissue in fish is associated with endurance and long-distance swimming, as it contains more myoglobin and mitochondria, supporting sustained aerobic activity.

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