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Osedax - an overview | ScienceDirect Topics
Hence, other, highly specialized feeding adaptations may have evolved within the scavenging guild comparable to the well-known example of the whale bone worms Osedax (Glover et al., 2013). Some species may be specialist scavengers adapted to feeding on particular types of food falls, however, a large proportion are likely to be generalists, exploiting the broad array of food …
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Osedax - Wikipedia
Lacking stomach and mouth, Osedax rely on symbiotic species of bacteria that aid in the digestion of whale proteins and lipids and release nutrients that the worms can absorb. Osedax have colorful feathery plumes that act as gillsand unusual root-like structures that absorb nutrients. The Osedax secrete acid (rather than rely on teeth) to bore into bone to access the nutrients. High concentrations of carbonic anhydrase are found in the roots of Osedax. This serves as evidenc…
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Zombie Worms Crave Bone | Smithsonian Ocean
Jun 26, 2013 · Zombie Worms Crave Bone. Zombie worms ( Osedax. (link is external) roseus) eat away at the bones of a dead whale that has fallen to the seafloor. (Yoshihiro Fujiwara/JAMSTEC) by Hannah Waters. Zombie worms don’t crave brains: instead they seek bones. The 1 to 3 inch (2 to 7 centimeter) Osedax worms were first discovered living in the …
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In what ways have zombie worms adapted to their
Aug 16, 2020 · Common oceanic animal adaptations include gills, special breathing organs used by some oceanic animals like fish and crabs; blowholes, an opening on the top of the head that’s used for breathing; fins, flat, wing-like structures on a fish that help it move through the water; and streamlined bodies.
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Bone-eating worm | Animals | Monterey Bay Aquarium
The worm’s body and feeding strategy is very different from those of most animals. It has no eyes, legs, mouth or stomach, but does have colorful feathery plumes and green “roots.”. The reddish plumes extend into the water and act as gills. They connect to a muscular trunk, which can be withdrawn into a transparent tube when the worm is disturbed.
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New bone-eating worm species discovered in the
Apr 07, 2016 · Osedax, commonly known as bone-eating worms, are marine annelid worms that are an important example of evolutionary adaptation to a specialised habitat: the bones of vertebrates sunk in the sea.
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Zombie Worms: Creepy Residents Of The Deep Sea - …
Sep 13, 2019 · Osedax has been observed feeding on the remains of other fish and bones dropped into the ocean by vessels. Controlled experiments have also proven that the worms can feed on cow bones. However, critics argue that Osedax in their natural environment only feed on the remains of other fish when dead whales are unavailable.
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What is the anatomy and physiology of Osedax?
Anatomy and physiology. Lacking stomach and mouth, Osedax rely on symbiotic species of bacteria that aid in the digestion of whale proteins and lipids and release nutrients that the worms can absorb. Osedax have colorful feathery plumes that act as gills and unusual root-like structures that absorb nutrients.
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Can multiple species of Osedax live in the same bone?
It is possible that multiple species of Osedax reside in the same bone. Osedax worms are also known to feed on the collagen itself by making holes in the whale's skeletal structure. These holes can also serve as a form of protection from nearby predators.
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How big do Osedax worms get?
The 1 to 3 inch (2 to 7 centimeter) Osedax worms were first discovered living in the bones of a rotting gray whale on the deep sea floor, nearly 10,000 feet (3,000 meters) deep, in 2002. Since then, more Osedax species have been discovered: there are 26 according to the World Register of Marine Species .
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Is Osedax a marine reptile?
This finding shows that marine reptile carcasses, before whales, played a key role in the evolution and dispersal of Osedax and confirms that its generalist ability of colonizing different vertebrate substrates, like fishes and marine birds, besides whale bones, is an ancestral trait.
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