Evolution Of Dogs Essay

In or Out: Dogs have followed mankind for thousands of years, dating back to early hunter- gatherers (Dogs that Changed the World, 2009). Dogs have become a vital part of many families, with households all over the globe owning at least one dog. As civilization progresses, the care of domesticated animals has changed with how humans live. One ways that life has changed for dogs is that most them now live indoors with their owners. Although it has become increasing common for dogs to live indoors, there are still many dogs that live outside—specialized farm dogs, strays and even regular “outside” dog. This begs the question of whether or nots dogs best live indoors or outside. Dogs, or canis familiaris, are domesticated animals descended from wolves (canis lupis). They are mammals, found in the order carnivora. Dogs were domesticated over 12,000 years ago in an era were only the most friendly and useful canines survived (Dogs that Changed the World, 2009). Dogs are found all over the world, on almost every continent and …show more content…
Small, short fur dog breeds, such as chihuahuas, would not be fitting for winter months, so the dog breed should be a larger breed with medium to long fur, such as Rottweilers or Alaskan Malamutes (Dogs 101, 2008). The dogs selected ideally would be from the same litter from a family with a history of little illness or defect. Choosing dogs with a high potential to have an illness would skew the results and make it difficult to compare results when the dogs are not in peak condition. For comparison purposes, the dogs should be from the same litter as they would be the most genetically similar candidates that will make comparison between the dogs have the least amount of uncontrolled variables. Multiple dogs (four to eight) should be chosen instead of just two so that there is a sample of results from the dogs that live inside and the dogs that live