Courtney and kenzie are doing an experiment to determine which fish food gives their fish more energy. they have two fish tanks, each with the same number, size, and type of fish. the tanks are the same size and have identical filters and decorations. they were both filled with store-bought spring water and are cleaned at the same time. when the girls submitted their results to a journal for publication, scientists criticized the experiment. what about the experiment would need to be changed so that scientists might accept their findings?

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Biology

Baby Cakes

20 December, 23:53

Courtney and kenzie are doing an experiment to determine which fish food gives their fish more energy. they have two fish tanks, each with the same number, size, and type of fish. the tanks are the same size and have identical filters and decorations. they were both filled with store-bought spring water and are cleaned at the same time. when the girls submitted their results to a journal for publication, scientists criticized the experiment. what about the experiment would need to be changed so that scientists might accept their findings?

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Essence Russell · Answer 1

They need an independent variable, in this case it should have been the fish food. Everything should be identical except the fish food, from what I read, it doesn't say anything about what type of food they used, or the dosage.