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Species: | Blue Grey Periwinkle | Noddiwinkle | Stripe Gridled Chiton | White Tube Worm | Sea Squirt | Honeycomb Barnacle | Brown Tube Worm | Tidal Zones: | High Water Spring Tide | Splash Zone | Sub Littoral | Mid Tide Level | Low Water Tide | High Water Neap Tide | Sub Littoral | Wave Battering | Blue Grey Periwinkles have a muscular foot used to stick onto surfaces to prevent them from falling off rocks. | Noddiwinkles live in the splash zone, meaning they are excluded from any form of wave battering. | Stripe Gridled Chitons cement themselves to rocky surfaces preventing them from falling off. | Similar to the Stripe Gridled Chiton, the White Tubeworm cements onto rocks. They also stay in colonies. | Sea Squirts stick together in small groups meaning wave battering will have little to no affect on them. | Honeycomb barnacles cannot move as it cements itself onto rock surfaces. | These organisms are submerged under water, therefore wave battering is minimal. | Protection against enemies | Whenever a predator is nearby, the Periwinkle uses its operculum to keep out any enemies. | The shell of the Noddiwinkle is very coarse and tough. It also resides in a zone with little to no predators. | The hard grilled plates on the back of the Chiton help it camouflage into the surface of the rocks. | The White Tube Worm has an operculum that opens and closes which is useful for keeping predators out. | Hence the name Sea Squirt, this organism shoots out water in an attempt to scare away predators. | By facing itself towards the wave battering it reduces the chances of predators hunting them. | It has an operculum like many other organisms. It opens and closes it to keep out enemies. | Feeding | During high tide they move around the rock platform and scrape algae and lichens off the rock surfaces. They often travel as far as twelve metres in search for food. | Noddiwinkles are herbivores that scrape up the algae on rock surfaces. | Similar to other

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