AEPA Biology (NT305) Practice Questions - Arizona Educator Proficiency Assessments Biology (NT305) Subject Knowledge Test Exam

In an experiment testing a new fertilizer, why should one group of plants receive no fertilizer?

To provide a baseline for comparison with fertilized plants To make sure every plant receives the same treatment To prove the fertilizer works before data are collected To eliminate the need for repeated trials

Correct Answer:

To provide a baseline for comparison with fertilized plants

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