Biology

The step-by-step directions of the experiment are found in the: procedure.

Here’s why:

The procedure is the part of an experiment that provides a detailed set of instructions on how to carry out the experiment. It outlines the steps you need to follow in order to test the hypothesis and collect data.

The other options:

A.Hypothesis: The hypothesis is the testable prediction or explanation about what you expect to happen in the experiment. It is not the set of instructions for how to perform the experiment.