Help! 20 points! Write three to four paragraphs about how veterinary scientists employ preventive methods to control outbreaks or epidemics in large animal population.

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

i need