Question #6422543Single Choice

Biology

Question

A researcher wants to test if a new fertilizer increases the growth rate of corn plants. She divides the plants into two groups: one group receives the new fertilizer, while the other group does not. Both groups receive the same amount of water, sunlight, and are planted in the same type of soil.

Which of the following actions would best improve the accuracy of the results in this experiment?

Options

Using a different type of plant in each group

Repeating the experiment multiple times

Changing the amount of water given to each group

Measuring the plants' growth only at the start of the experiment

Answer & Analysis

Click "Show Answer" to reveal the answer and analysis

Want More Practice Questions?

Access thousands of practice questions with detailed explanations on Scholardog.

Practice Now - It's Free!