Letâs Start with the Basics. Dialogue or direct discourse is usually enclosed in quotation marks, either single like these: â__â, or double, like these: â__â. In American English, you are most likely to see the double quotation marks used to indicate a character or person speaking who is not the narrator.
Most ocean crabs are considered carnivores and eat just about any meat they can find. There are a few species that are omnivores, however, and eat plants as well as meat.
Apart from mollusk shells, other shells that can be found on beaches are those of barnacles, horseshoe crabs and brachiopods. Marine annelid worms in the family Serpulidae create shells which are tubes made of calcium carbonate that are cemented onto other surfaces.