A group of high school students are conducting a scientific investigation in their biology class to study the effect of different types of fertilizer on the growth of tomato plants. Which of the following statements about their investigation is correct?(1 point)

Question

Responses

The type of tomato plant is the dependent variable and the independent variable is the type of fertilizer
The type of tomato plant is the dependent variable and the independent variable is the type of fertilizer

The growth of the tomato plants is the dependent variable and the type of fertilizer is the independent variable.
The growth of the tomato plants is the dependent variable and the type of fertilizer is the independent variable.

The type of fertilizer is the dependent variable and the independent variable is the type of tomato plant.
The type of fertilizer is the dependent variable and the independent variable is the type of tomato plant.

The type of fertilizer is the dependent variable and the independent variable is the growth of the tomato plants

Answer 1

The correct statement about their investigation is:

The growth of the tomato plants is the dependent variable and the type of fertilizer is the independent variable.

In this context, the researchers are manipulating the type of fertilizer (independent variable) to observe how it affects the growth of the tomato plants (dependent variable).