Biology

The correct answer is: Due to the discovery of new evidence or observations.

Hypotheses in scientific experiments, including in biology, can change or be refined over time because science is an iterative process. As new data are collected or new observations are made, scientists may find that their initial hypothesis doesn't fully explain the results, or they may uncover new factors that influence the outcome. This can lead to revising or modifying the hypothesis to better fit the data, leading to more accurate conclusions.

Here’s why the other options are not correct:

A.Because experiments are always incorrect: Experiments are not always incor...