The puppies heads are often to big to fit through their mothers birth canal. They may get birth defects like flat chests, if their face are wrinkly they get acne and eye problems, and they are prone to skeletal disorders like hip dysplasia.
        
                    
             
        
        
        
Answer:
Grossly negligent and intentional mistreatment.
Explanation:
Substandard medical care may be defined as a type of the malpractice medical case. This is the level and type of the health care professional that provide medical assistance in the same community.
The medical care can be intentionally mistreated in which the professional shows negligence in the  patient's treatment. This also relieves the homicide liability and defendant in the intervening act.
Thus, the answer is Grossly negligent and intentional mistreatment.
 
        
             
        
        
        
Answer:Tissue
Explanation:Heart muscle cells beat in unison to push blood in timing with the rhythm of the heart, at the direction of nearby nerve cells. These muscle cells could best be called. Tissue. As cell division proceeds, the cells increase in number, but also become specialized in structure and function.
 
        
             
        
        
        
Answer:
A. It is a source of genetic variation