I think it'd be cell, tissue, organ, organ system, organism.
I hope this helps!
It might be between plants and water I'm not sure cause I'm on the same question.
A sample is a random, unbiased selection out of a larger group. An independent variable is one that is changed as to see how it will affect the dependent variable in an experiment.
Hope that helped.
<span>advancing mass of warm air, in particular, the leading edge of the warm sector of a low-pressure system.</span>
