research-based evidence supporting a scientific theory. a conclusion being tested by a hypothesis. random testing during an experiment. evidence for and against a scientific model.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Gregor Mendel's observation of pea plants is an example of
Possibilities:
- research-based evidence supporting a scientific theory.
- a conclusion being tested by a hypothesis.
- random testing during an experiment.
- evidence for and against a scientific model.

research-based evidence supporting a scientific theory.