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Barnacle: Difference between revisions
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== Ecology == | == Ecology == | ||
Barnacles are marine animals that live in both shallow and tidal waters.[http://en.wikipedia.org/wiki/Barnacles]The Barnacles are also suspension feeders that are sessile and feed on detritus and plankton. They use their net-like cirri to reach out into the water and back in a constant drum-like rhythm in order to capture food. [http://www.absoluteastronomy.com/topics/Barnacle] They can be found anywhere in the [[intertidal zone]] on just about any coast in the world. [http://www.wildsingapore.com/wildfacts/crustacea/othercrust/ciriipedia/cirripedia.htm] Also they can be found glued to just about any surface. These surfaces include ships, rocks, whales, plants, and docks.[http://library.thinkquest.org/J001418/barnacles.html] | Barnacles are marine animals that live in both shallow and tidal waters.[http://en.wikipedia.org/wiki/Barnacles]The Barnacles are also suspension feeders that are sessile and feed on [[detritus]] and [[plankton]]. They use their net-like cirri to reach out into the water and back in a constant drum-like rhythm in order to capture food. [http://www.absoluteastronomy.com/topics/Barnacle] They can be found anywhere in the [[intertidal zone]] on just about any coast in the world. [http://www.wildsingapore.com/wildfacts/crustacea/othercrust/ciriipedia/cirripedia.htm] Also they can be found glued to just about any surface. These surfaces include ships, rocks, whales, plants, and docks.[http://library.thinkquest.org/J001418/barnacles.html] | ||
Their predators include [[sea stars]], [[sea snails]], some [[birds]], [[fish]] (Such as Sheephead), and [[worms]]. Also dangerous chemicals can harm the Barnacles. This can be toxic to barnacles when oil spills occur.[http://library.thinkquest.org/J001418/barnacles.html] Limpets and | Their predators include [[sea stars]], [[sea snails]], some [[birds]], [[fish]] (Such as Sheephead), and [[worms]]. Also dangerous chemicals can harm the Barnacles. This can be toxic to barnacles when oil spills occur.[http://library.thinkquest.org/J001418/barnacles.html] [[Limpets]] and [[Mussles]] also invade and compete with the barnacles for space.[http://www.absoluteastronomy.com/topics/Barnacle] | ||
There are two ways that barnacles use to overcome their predators. The first is a very fast and efficient reproductive system. This enables the barnacles to produce higher up and closer to shore, allowing them to get bigger and making them harder to reach from predators. The second is a defense called "swamping". In swamping the Barnacles produce a high number of offspring that all cling to one specific area. This ensures that there's a good chance that at least a few of them will survive. These are both effective strategies in defense against predators.[http://www.absoluteastronomy.com/topics/Barnacle] | There are two ways that barnacles use to overcome their predators. The first is a very fast and efficient reproductive system. This enables the barnacles to produce higher up and closer to shore, allowing them to get bigger and making them harder to reach from predators. The second is a defense called "swamping". In swamping the Barnacles produce a high number of offspring that all cling to one specific area. This ensures that there's a good chance that at least a few of them will survive. These are both effective strategies in defense against predators.[http://www.absoluteastronomy.com/topics/Barnacle] | ||
