Is the scientific method a linear process?

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Organisms that successfully adapt will leave to grownone of the above