They had changed over time
No, dogs as a species have not been genetically modified. However, selective breeding over time has led to different breeds with specific characteristics.
Since 1993, scientists have classified dogs as a subspecies of the wolf. The dog's scientific name was changed from "canis familiaris" to "canis lupus familaris". They are the domesticated wolf.Wolves are the original canines from which dogs are descended. They are not, of themselves, a type of dog.Wolves are the original canines from which dogs are descended. They are not, of themselves, a type of dog.
If you are referring to the humping behavior seen in dogs, not related to male-to-female mating, it is honestly not what you think. In dogs and other mammals, it is nothing more than a dominant gesture. Dogs are not perverted, it is simply a strange dog term. "I'm over you, I'm dominant over you," is what it means.
With Napoleans dogs (secret army/police) the animals see Napolean with authority and power over them.
they haven't changed one bit since they were created.
how the anemometer changed over time
The laws of physics have not changed over time. Our understanding of them has changed over time.
how has coal mining changed over time
People changed over time by growing up.
Because they were millons of year of go they were the same size as the dogs but now it has all changed
no they have changed over time. no they have changed over time.
how has neils bohr model changed over time
evolution. and breeding with other types of dogs. it's quite simple, really.
Dogs originated from the grey wolf. The first "dogs" were most likely wolves who had lived near humans to gain food. Over time, breeding has changed the wolf to what we know as a dog.
well it has changed over time bye people dancing it different styles.
how the seismograph change over time