Special sensory receptors that convey information on muscle length and muscle tension to the central nervous system are called

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.

answerwestern plateau,     central lowlands,     great dividing range;