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Evolution of dogs essay
Evolution of dogs essay
Animal domestication (essay
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Millions of people around the world have a pet dog, but they may not know where their fuzzy friend’s ancestry comes from. Even more people that are animal lovers don’t even have an idea how dogs first became best friends to the human race. Most researchers and scientists agree the DNA of a dog traces back to similar DNA as a wolf, although some people disagree. These people that do not agree with common knowledge that dogs come from gray wolves think that dogs came from an extinct type of wolf that bared very similar traits to a typical gray wolf. While analyzing the research in this text, people will learn many different facts and opinions of dog domestication.
First off, we’ll ask ourselves the simple question of “What is animal domestication?” If you look up the word “domestication” in the dictionary it states that “domestication is to adapt an animal to live alongside humans comfortably.” Now
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As we established before, scientists think that people first started keeping dogs as pets and not for work; it wasn’t until later on when they thought dogs would be great hunting companions or have other valuable uses. Today we can all agree that having a dog is like having a best friend that lives with you that you could never get sick of. There is a common idea that dogs domesticated humans as much as humans domesticated dogs. An author for National Geographic even said the following, “Most likely, it was wolves that approached us, not the other way around, probably while they were scavenging around garbage dumps on the edge of human settlements. The wolves that were bold but aggressive would have been killed by humans, and so only the ones that were bold and friendly would have been tolerated” (Hare). With this idea you can see that dogs were clearly the nicer of the two species. Dogs will always make great companions and best
When the word “domestication” is used when talking about dogs, most people have the misconception that humans brought dogs into their homes on purpose, and that is was something they did consciously. However, after reading about Hare’s research it is easy to understand that this
First Friend: A History of Dogs and Humans, by Katherine Rogers, articulates the history of the relationship between dogs and humans. Wild Justice: The Moral Lives of Animals, by Marc Bekoff and Jessica Pierce, investigates if and how dogs exhibit morality. In both texts, anecdotes and observations are used to portray instances of dogs displaying cooperation, empathy, altruism, and, by extension, morality. Consequently, it stands to reason that dogs have a capacity for sociality, but how can the sociality of dogs be described? A dog’s capacity for sociality is the ability to form long term relationships with members of the same or other species. Dogs, in particular, dogs who hunt as well as dogs who play, are able to form long term relationships with humans and other dogs through trust, love,
Service dogs are a low risk treatment, that can replace dangerous medication and expensive devices. For a purebred service dog is $20,000, however there are non profit organizations that provide service dogs at a much lower cost, but there is usually a long wait list (“Costs”). ASDA (Autism Service Dogs of America) sets a donation goal of $13,500 for every approved family, which is always achieved. Another option is buying the dog from a breeder and paying for the training and accessories. If a puppy is purchased from a dog breeder for around $2,500, in two years time the dog would have costed around $5,200 dollars. The rest of the $ 2,700 comes from vet bills, service gear, training expenses, food, treats, and toys. (“Service”) Getting a dog from a rescue center will cost about the same amount because usually vet bills and training expenses are incrases. However in the long run the owner is most likely to spend more money on a rescue dog, because they often have more issues, physically and mentally which cause them to wear out faster. There is no health insurance that cover service animals. Service dogs however do replace the nasty side effects of some medication, and devices that won't provide companionship. Although the average hearing aid costs $4,000, hearing aides need replaced as the person grows, and need repairs as well, putting the total
The dog we know today will not face these problems as they have owners to supply them with everything from food to housing. Another difference between wolves and dogs is the size of their brains. As the years have passed, and continue passing, dogs brains are getting smaller and smaller as, unlike wolves that rely on the senses to live successfully, they don’t have the need to use their senses as much as they have humans that do a lot of the things for them. One thing that dogs go use their senses for though is communication with humans as the senses heighten everything and allow them to adapt to
Just as humans have a family tree, so do dogs. Most if not all dogs heritage connects in some way back to the wolf. Then why are dogs domesticated, why are they best friend to man? Any wild animal can be tamed eventually through out the generations and the Chukchi people had learned that trick long ago. They became best friend to the Siberian Husky until someone got in the way, Russia. Russia tried to take over the home of the Chukchi people, Northeaster Asia, but found that the climate was much more dangerous than they though. So instead they forced the Chukchi people to open trade with them. Unknowingly they spread many diseases to the Chukchi people that they had no immunity to, many Chukchi people died. The...
The dog is a unique beast. Loyal and affectionate, if somewhat bizarrely built, today’s dogs are a far cry from the wild wolves from which they emerged. Whether fluffy, naked, cock-eyed, or bow-legged, each dog is an ample prototype of its kind. The very idea that such a cooperative creature could spring forth from such a ruthless predator is astounding by itself. The fact that the multitude of breeds (340, according to the World Canine Organization (Melina, 2014)) could starburst forth from a single point begs investigation. How, indeed, did it come to be that there are so many different breeds of dog?
It was further hypothesized by father-son team S.J. Olsen and J.W. Olsen (1977) that the domestication of dogs started in China. They proposed that, starting with a small subspecies of wolf, humans changed it into the modern Chinese/Mongolian subspecies of Canis lupus chanco. There is another hypothesis that even Cro-Magnons may have domesticated some breeds of dog. A piece of a dog’s right jaw was reported from a Cro-Magnon site (Nobis, 1979); the jaw was dated back to 14,000 B.P. No matter what conflicting sources say specifically, we know that dogs were domesticated before 15,000 B.P. and that they originated in Eurasia. They did in fact cross the land bridge with us to the Americas (J.A. Leonard, 2002), which means that they had a large role in influencing us and helping us to settle in the new world. Now we have a general idea of when domestication began, but the next question is why? Why did we make wolves into our buddies? Why not chimps or some other kind of primate? The answer lies in a few different reasons.
There are many theories’ that dog got evolved by the grey wolf but current resources say that dogs. The PLoS (is an open access peer-reviewed academic journal published monthly by PLOS Genetics) say that dogs may have not evolved by the grey wolf or least not the grey wolfs that we have living up in our northern forest. One possibility is there may have been other wolf lineages that these dogs diverged from that, then went extinct. But there
...tion, including their initial evolution, their domestication, and the roles they played in human society throughout the ages. It is a relatively new book being published in 2010. Darcy Morey, the author of this book is a zooarchaeologist and focuses his research on the relationship between dogs and humans throughout time. He is a graduate of the University of Tennessee. This book is based on the authors own research and also refers to the information gathered by many other scientists, all of which are listed in the reference section of the book. As mentioned this book contains the results of research from many scientists and is beneficial for learning both general and more scientific knowledge on the subject. I would recommend it to anybody who is conduction a research on the topic. This book was found using I-Share using the search term the domestication of dogs.
First of all these dogs came from Rome where they were created for fighting purpose. They were created from two breeds which were bulldogs and terriers. The plan for the romans were that the new dog would have the body of a bulldog and the very strong agility of a terrier. The new dogs were a big success for the romans because they trained the new type of dog to kill only because at that time dog fighting was the big thing going on at that time. While England was taking over in the new world they were concern that they were losing soldiers in the new world and it was very expensive to send new soldiers to the new world they thought of sending dogs and they found out of this new type of dogs that was only use for fighting. Therefor they brought 100 pit bulls to the new world and only half of them made it due to the fact that dogs are very ill when it comes to riding on the boats. So once there they were put right to world and were ready to hunt and kill the Indians that were living there. They were very good at what they were doing. They were like humans but cost cheaper which in the mind of England this was a success. After all that the soldiers were getting bored so they started to put these dogs to fight each other and they were being cure to the new type of dogs. So over time these dogs were only trained
This process is seen mostly in agriculture. It is because of artificial selection that we have the domesticated plants and livestock that we eat. In the case of canines, they were originally bred to become working and hunting dogs in agriculture. Later on they were bred as companion animals. The different variations of domesticated dog will be discussed later. The down fall of artificial selection is that it decreases variation in a species. Pure bred dog are highly susceptible to many different disorders and disease because of the lack of variation in their genotype. With these two processes, today we have friendly canine
Domestication is a process in which wild species are removed their natural habitat and are acclimatised to surviving and breeding in captive. Animals are domesticated for purposes which, in general, are designed to be beneficial to humans. These reasons commonly include labour, food sources and companionship. Over generations, domestication results in genetic and physiological changes in the organism (Wilson,. Mammal Species of the World (3rd Ed.). Baltimore).
Dogs are better than cats because they are easier to train, they are protective, they are easier to adapt, and they are active.
Domestic syndrome is the term used to describe the shared characteristics that domestic animals tend to share. The general combination of traits in domesticated mammals is referred to as the “domestication syndrome.” The term “domestic syndrome” was proposed by Charles Darwin, more than 140 years ago, when he observed that domesticated animals possess a different heritable traits not seen in their wild counterparts. For example, domesticated dogs vary a lot in appearance compared to wild canines such as like wolves and coyotes. Domesticated dogs are more likely to have rounder faces, smaller jaws, floppier ears, and patchy fur compared to wild canines.
The transition to the diet of the original dog as a result of beginning the relationship with humans could be attributed to the changes identified between the modern dog and original dog (wolf). The canids remain recovered in yet cave, in Belgium where Upper Paleolithic artifacts were discovered along with other object are considered to be domesticated dogs. The domestication of dog could have been driven by human need for help with herding, hunting, and early warning while the dog benefited from companionship and reliable source of food