Biology 9. which characteristic of life is illustrated when a lizard digs in the sand during a hot summer day in the desert to stay cool? 10. which characteristic of life is illustrated by a runner sweating during a race? 11. what is he difference in a multicellular organism and unicellular organism? 12. list the levels of organization in a multicellular organism from lowest to highest. 13. what are the levels of organization of the external environment? 14. how does the camouflage of a butterfly’s cocoon relates to function