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What is the independent variable in this experiment? a) Data collected such as the health and growth rate of the fish. b) The pH levels of the tanks c) Fish that are all the same species.

What is the independent variable in this experiment? a) Data collected such as the health and growth rate of the fish. b) The pH levels of the tanks c) Fish that are all the same species.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Imagine an experiment to test the effect of pH on fish grown in tanks in a lab. Tanks are set up in a lab at a variety of pH levels. What is the independent variable in this experiment? a) Data collected such as the health and growth rate of the fish. b) The pH levels of the tanks c) Fish that are all the same species.
Transcribed Image Text:Imagine an experiment to test the effect of pH on fish grown in tanks in a lab. Tanks are set up in a lab at a variety of pH levels. What is the independent variable in this experiment? a) Data collected such as the health and growth rate of the fish. b) The pH levels of the tanks c) Fish that are all the same species.
Imagine an experiment to test the effect of pH on fish grown in tanks in a lab. Tanks are set up in a lab at a variety of pH levels. Which of the following could be the control treatment in this experiment? a) The fish tanks maintained an already established normal pH level. b) The fish tanks set at a different pH of 2. c) The number of fish per tank and the species of fish.
Transcribed Image Text:Imagine an experiment to test the effect of pH on fish grown in tanks in a lab. Tanks are set up in a lab at a variety of pH levels. Which of the following could be the control treatment in this experiment? a) The fish tanks maintained an already established normal pH level. b) The fish tanks set at a different pH of 2. c) The number of fish per tank and the species of fish.
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