Lichens look like moss. but they’re actually two organisms—usually fungi and algae—that live together in a mutualistic relationship. the fungi provide a sheltered place for the algae to grow and reproduce. what do you think the algae offer that the fungi can’t do?

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explanation:

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.