Select one or more of the given domesticated animal species: dogs, cats, cows, chickens, pigeons, sheep, goats, llamas, pigs or guinea pigs. Make a 8 to 10-slide PowerPoint Presentation with speaker notes. Your presentation must comprise information on domestication (artificial selection) in general and how it relates to evolution. Describe specialized structures in your selected animal(s) and how/why they have been chosen for in that animal by humans.