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docker41 [41]
3 years ago
11

A student wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. To test this hypothesis, the stu

dent put the same amount of grass seed in 3 containers with the same type of soil. The student measured the growth at the end of the week. All plants received equal amounts of water and sunlight.
In the above experiment, what is the independent variable?
Biology
2 answers:
zloy xaker [14]3 years ago
7 0
The independent variable is the grass. <span />
Nikitich [7]3 years ago
3 0

Answer:

Fertilizer

Explanation:

The student wants to measure the affect of fertilizer on the growth rate of grass seeds.

Thus, fertilizer here is an independent variable while growth of grass seeds is a dependent variable

An independent variable is the one whose impact is studied on the dependent variable while a dependent factor is the one which is impacted by the variations in the independent variable.

All other factors such as type of soil , water and sunlight remains the same.

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