Some dogs do and some dogs don't. If your dog sheds than it doesn't nee dto be shaved or cut or anything, but a daily brushing is helpful to keep the hair out of the house and to take the undercoat off the dog so it can grow a new one. If your dog doesn't shed than it does. They usually need to get one during the summer and right before winter.
it's a small Mexican dog that has smooth hair
Yes! If both of the parents have a long hair gene in their background, then you can get a long hair Chihuahua even if BOTH parents have a short coat. Some of the puppies will be short coat and some will be long.
If you mean cut the hair very short, then sure. Its really your choice, but if it is cold or chilly out you should put a sweater or coat on him/her.
Please add on to this list because I know that I most likely didn't include them all, but I know there is Wired hair (commonly found on Jack Russells and Fox Terriers) there is Smooth Coat (Example-Smooth Chihuahuas) there is Rough (Rough coated Collie) Flat (Flat coated Retriever) Curly (Curly Coated Retriever)
Most all chihuahuas bark to much.
Chihuahuas come in both short hair and long hair versions. There is no way to determine which one it will be except for raising the chance for a short hair or long hair by breeding two of that type.
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Cuts that work well for fine hair are either longer cuts with long layers to add volume or short, smooth bobs and even pixies. Fine hair should not be allowed to grow too long or it gets weighted down, it should be kept no more than an inch or two past the shoulder.
A barber or a beautician cuts hair.
There are both long-haired and short-haired chihuahuas, so both.
Rough endoplasmic reticulum & smooth endoplasmic reticulum Because hair contain protein called keratin. Proteins are made in rough ER. And lipids are produced by the smooth ER.
straight hair cut and curly hair cuts and wavy hair to