Alrighty, let's examine it. Phenotypes are the expression of genes in an organism. Evolution is the change in allelic frequency over time. It is evolution, but on a very small scale.
Hunters looking for the big bucks artificially select the bucks with the largest antlers as to have a good prize. This changes the selective pressure for the environment. Small antlers become more suitable for a deer to survive to reproduce and pass on the gene frequency for smaller antlers.
It's evolution, but on a small scale. Over a large amount of time and with the right selective pressure, we will get different traits, or even different species if two populations get separate by geography or other ways.