<span>the oldest form of biotechnology is : selective breeding
biotechnology included all kind of efforts that we use to obtain a desired genetic result from the reproduction of a certain organism.
In the early years of biotechnology, we still hasn't developed a way to do genetic manipulation, so we do selective breeding to obtain our desired result</span>
The answer would be C as it can be directly tested experimentally and observed that bacteria adapted to become drug resistant and the natural selection of drug resistant bacteria to survive and continue proliferating, thus being direct evidence of evolution
Yes they can and many more
