Question: why do dogs breed with other types of dogs

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  1. @medontknow & @definitlynotkaleb: Domestic dogs are all one ‘species’ (type of animal), the scientific name for them is ‘Canis lupus familiaris’. Within that species, we have lots and lots of different breeds. Those breeds are all able to mate and produce puppies because even though the different breed might look really different or have been bred to do different types of work, they’re still the same species of animals – they’re all still dogs. Their internal reproductive systems and biology are all the same inside (maybe different sizes) so they can inter-breed.