The embryonic connective tissue which differentiates into all connective tissues is called

i do not know and i have a 100 in this class

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.