WebOct 15, 2008 · To ascertain mechanisms responsible for differences in population structures, we examined periwinkles in both environments for growth rate, predation pressure, infection with a shell boring polychaete ( Polydora ciliata) and parasitic infestation by trematodes. WebThese tiny blue snails are about the size of your little fingernail and are the most abundant molluscs on the rocky shore, generally found toward the high-tide mark. Identification The name of this snail comes from its small size and the pale blue colour of its shell.
Bivalves 2 (adaptations of epifaunal) Flashcards - Cram.com
WebIdentification: The periwinkle has a conical shell with a white background and blue stripe, however, the colour may be eroded off. Habitat: Abundant on rocky shores at or above the high intertidal zone. Found in harbours … WebDec 19, 2001 · Within the White Sea population, high-shore periwinkles demonstrated higher resistance to prolonged air exposure than low-shore specimens associated with … northern territory population 2021 australia
What adaptations do periwinkles have? – …
WebRaising the common periwinkle has not been a focus due to its abundance in nature and relatively low price; however, there are potential benefits from aquaculture of this species, including a more controlled environment, … WebFeb 6, 2024 · Adaptations of the blue periwinkle. A description of the adaptations that the periwinkle has to overcome the abiotic factors of the rocky shore. Show more. A … WebOct 23, 2008 · Best Answer. Copy. - it has a light coloured shell to reflect the light from sun so their body keep in the same temperature. - it has a shell to protect their body from being eaten by predators ... northern territory population growth