A student studying aquaculture is interested in how diet and water temperature affect the growth rates of fish. She hypothesizes that fish receiving a high protein diets and in warmer temperatures will have enhanced growth rates. She has four treatment groups: a. Fish tanks in a laboratory at 22 degrees C and high protein diet.
b. Fish tanks in a laboratory at 22 degrees C and low protein diet.
c. Fish tanks outside with a temperature of 26 degrees C and high protein diet.
d. Fish tanks outside with a temperature of 26 degrees C and low protein diet.

Explanation:

This question is not complete below is the remaining part of the question. Is her hypothesis a true hypothesis or merely a prediction? (Has she provided rationale for her hypothesis?)

Do you think this is a good experimental design? Do you have suggestions for how she could improve her experimental design?

Answers:

The result of the experiment will determine if the hypothesis will be accepted or rejected and further explanation will be given to the effect.

Increase in dietry protein will subsequently increase the body weight as such the result show should tend towards a positive response to an increase in protein level.

The experiment design is completely randomized design(CRD) and it is good for the experiment to have the temperature all monitored and a close watch on the fishes.

the answer is d.) homologous; have mammary glands

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