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Hellohi21 Hellohi21
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5 years ago
In this experiment, the area that had never had a road is useful to the experiment because
A) at least three samples are necessary to have a valid experiment.
B) the area never roaded serves as a control for the experimental variables of recontoured and abandoned.
C) the researchers need to know what species of plants were common to all three areas.
D) since all three areas had existed for the same amount of time, the third area allowed time to be controlled as a variable.
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
Authors:
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Bobby.sBobby.s
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Posts: 202
5 years ago
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Hellohi21 Author
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5 years ago
Thank you, thank you, thank you!
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Yesterday
Good timing, thanks!
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2 hours ago
Thanks for your help!!
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