Warm-Up Type your response in the box.
Think about the systems around you. For example, you're reading this text on a computer system. Write a definition
for the word system.

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.

the correct answer is c   with the systems