His theory of use and disuse was rejected.
Observational evidence
For something to be a theory it must have already gone through the hypothesis stage, being tested and accepted.
Both. Some are still being tested.
The answer to the question why is this: It can be rejected at a later date because it is falsifiable in nature if it is a good hypothesis. If you meant to ask HOW it can be rejected, the answer is by way of further experimentation that rules out some or all of the hypothesis as stated.
His theory of use and disuse was rejected.
accepted
Accepted.
they are accepted by the foremost authorities in the field
New scientific ideas are accepted or rejected based on compelling evidence.
It was accepted.
No, not all theories are accepted or rejected. The acceptance or rejection of a theory depends on the evidence supporting it, how well it explains a phenomenon, and its ability to make accurate predictions. Some theories are widely accepted, while others may be rejected or revised based on new evidence or alternative explanations.
Theories are ideas accepted as most likely true. Theories are basically hypotheses which have been tested many times by many people and are found to be true.
New scientific ideas are accepted or rejected based on compelling evidence.
Homosexuality is accepted in some societies, and rejected in some societies.
rejected.
Violently rejected