The domestic dog (Canis lupus familiaris)[2][3] is a subspecies of the gray wolf (Canis lupus), a member of the Canidae family of the mammalian order Carnivora. The term "domestic dog" is generally used for both domesticated and feral varieties. The dog has been the first animal to be domesticated[4] and has been the most widely kept working, hunting, and pet animal in human history. The word "dog" may also mean the male of a canine species,[5] as opposed to the word "bitch" for the female of the species.
MtDNA evidence shows an evolutionary split between the modern dog's lineage and the modern wolf's lineage around 100,000 years ago but, as of 2013[update], the oldest fossil specimens genetically linked to the modern dog's lineage date to approximately 33,000-36,000 years ago.[4][6] Dogs' value to early human hunter-gatherers led to them quickly becoming ubiquitous across world cultures. Dogs perform many roles for people, such as hunting, herding, pulling loads, protection, assisting police and military, companionship, and, more recently, aiding ...
is polluted rain. The pollutants go up to the atmosphere and when it rains it brings the pollution down with it. Sulfur dioxide and nitrogen oxide are the gases that form the . When these gases mix with moisture it can make rain, snow, hail, or even fog. The scientific term for is acid deposition which means when the acid is taken from the air...
Why do women get ? Do the make them feel good about themselves? are a serious threat because, there are many risks involved, there are many disorders that are possible, and there are illnesses that you could catch after the operation. According to Marian Segal, many of the women who have had don't exactly what is in there body. Silicone conta...
If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90% of our information. It is through the use of telescopes aiding the naked eye that we are aware of the heavenly bodies around us. It is through light that the energy from the sun is t...
? Farmers and ranchers hate them. Scientists learn from them. Families enjoy watching them. Whatever their viewpoint, most people living on the prairie have a strongly-held opinion on prairie dogs. Prairie dogs are members of the rodent family, the largest group of mammals in the world. They live in colonies on the prairie that range in size fr...
Abstract: For I am doing my project on . In the world there are a lot of for example: birds, insects, tigers, whales and many more. I have learned many things from this project on how the animals get endangered and ways how to help these animals. I learned that we should recycle because the more trees that we cut down the more homes...