Plankton is not the name of a plant or animal but more of a category for any drifting organism that inhabits the middle to upper levels of the ocean, namely the pelagic zone.
Most vets do spays, neuters, bone surgeries, spleen surgery, tumor removals, and intestinal surgeries. Heart surgery and more complicated surgeries are done by specialists that requires more schooling. If you want to be a vet, you have to have REALLY good grades and Vet school is MUCH harder to get into than human medical school.
Veterinarians look after the health and well-being of animals. They not only diagnose, treat, prevent and investigate animal disease and injury but are trained in all aspects of the general management of animals.Many veterinarians own or work in a practice. This requires a variety of management and business skills.eterinarians look after the health and well-being of animals. They not only diagnose, treat, prevent and investigate animal disease and injury but are trained in all aspects of the general management of animals.