According to the research, the correct option is passive. Filtration is a process that is passive.
What is passive transport?
It is the passage of small molecules through a membrane by diffusion that does not involve energy expenditure, as it happens in the active.
In this sense, it includes filtration since it does not require cellular energy and the passage of molecules is through the pores of the membrane; depending on the size of the pores, it will be the molecules that pass thanks to the hydrostatic pressure.
Therefore, we can conclude that according to the research, the correct option is passive. Filtration is a process that is passive.
Learn more about passive transport here: https://brainly.com/question/14505188
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