It's just a convenient way of saying that dogs age faster than humans.
because it will be hard tell how old the dog is
Depends on the breed. A Labrador Retriever can live a good 15 years or more with the proper diet and exercise. You have to look into the specifics of the breed that you are looking at. There are also many different types of hunting dogs that excel in different areas.
All dogs are different. Some will grow whiskers when they are a few months old. Others will start when they are two years old! All dogs are different!
A lot of people say 7 years for a human each dog year. But actually it's 10 years for each dog year for the dogs first two years, then 5 human years for each of the following.
We have dogs all over the world so their genetics are very different from hundreds of years ago so there is no natural biome for dogs as such.
I was told dogs years is 7 and cat years is 9.
After a few years but it can be from a lot of different reasons this is the same with many other dogs
dogs came millions of years ago. they were first wolves , but suddenly changed. no one knows how they changed. there were different kind of wolves. that's how now we have different breed the dog. you could go research on your computer.
yes i have five different breeds of dogs and they pack together.
yes. dogs have different blood types?
Humans domesticated dogs around 30,000 years ago. They started breeding wolf-like animals until they got the animal they wanted, and now we have all those different breeds of dogs that look totally different. That would not have happened if humans had not interfered with their breeding.
Depending on what breed you are referring to some are only 60 years old and others thousands of years went into their selection.
No. Most dogs live to be 14 years old.