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A student is designing an investigation to determine factors that affect homeostasis for the fish shown here. The student measures
several variables with regard to the fish in an aquarium. Which variable, when changed, would MOST LIKELY have an effect on the
concentration of the urine produced by the fish?

Respuesta :

Answer: raising salinity

Explanation: the concentration of the urine is affected by the salt levels in the environment. When the water is salty the environment is hypertonic to the cells of the fish, and the fish will tend to lose water to its environment.

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