The swim bladder illustrates how an adapted characteristic can be used for a secondary function when environmental pressures change; although first used for buoyancy,it later served as a primitive ________.

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The Answer of The swim bladder illustrates how an adapted characteristic can be used for a secondary function when environmental pressures change; although first used for buoyancy,it later served as a primitive ________.

The Swim Bladder Illustrates How an Adapted Characteristic Can Be