In figure (b), what was the independent variable?



A. the age of the fish

B. the generation

C. the size at which the fish were harvested

D. the species of fish

E. the mean weight of harvested fish


A. the age of the fish

Biology & Microbiology

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What will be an ideal response?

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A) the heat of the water emerging from the vents. B) oxidation of photosynthetic bacteria in the vent water. C) sulfur bacteria. D) reduction of carbon dioxide in the vent water.

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