I might be able to help!! i just need to know what time period or dynasty
Answer: experimental
Explanation:
Experimental design refers to the branch of statistics that has to do with the design and the analysis of experiments. It's a way to plan experiments so that an objective and valid result can be gotten.
Experimental design simply means how the participants will be allocated to the different groups that are in an experiment. In this scenario, Dr Low has assigned her participants based on her research study.
One organism benefits while the other is harmed