Why is it important for a Biologist to include a control group in an
experiment?

There is no reason for determining without a control group whether a given outcome is due to the variable being evaluated or to any other cause. It is less likely that effects will be tampered with if it is unclear which category subjects are in.

Explanation:

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the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.