Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Acorn worm


  
  Elusive acorn worms are ocean's vacuum cleaners
Acorn worms are considered evolutionarily advanced because they bear gill slits like sharks and rays.
Acorn worms are full of sand because they are its vacuum cleaners.
This cone snail stabs the worm with a dartlike, venom-filled tooth that paralyzes the worm.
www.susanscott.net /OceanWatch2001/aug17-01.html   (491 words)

  
 Acorn worm: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-10-07)
The Acorn worm is a saprozoic animal[For more info, click on this link].
A worm is an elongated soft-bodied invertebrate animal....
The Acorn worm's body is cylindrical[For more facts and a topic of this subject, click this link] and covered with cilia cilium quick summary:
www.absoluteastronomy.com /encyclopedia/a/ac/acorn_worm.htm   (270 words)

  
 Saccoglossus Laboratory Exercise   (Site not responding. Last check: 2007-10-07)
Hemichordata consists of Pterobranchia and the Enteropneusta, the acorn worms and sea angels, respectively.
Saccoglossus kowalevskii (= Dolichoglossus) is a small acorn worm common in shallow, intertidal mudflats on the coasts of the eastern United States and Europe (Fig 27-1B,F).
The proboscis is the burrowing and feeding organ (Fig 27-4A-D).
www.lander.edu /rsfox/310saccoglosLab.html   (5009 words)

  
 Find Acorn Weevil Information   (Site not responding. Last check: 2007-10-07)
The female acorn weevil uses the small jaws at the end of her long snout to drill a...
Texas are sometimes 100 percent infested by larvae of acorn weevils.
aconite violet acorn barnacle acorn chair acorn cup acorn duck acorn moth acorn shell acorn squash acorn tube acorn weevil acorn worm...
www.acorn-internet.net /information/3/acorn-weevil.html   (501 words)

  
 Nearctica - Natural History - Chordata
However the adult acorn worm also has a series of pharyngeal gill slits (the dark dots in the figure of the acorn worm) which are apparently homolgous with the pharyngeal structures found in the primitve chordates such as the tunicates and Amphioxus.
The acorn worms are marine animals commonly living in the mud of tidal flats.
The group is marine and resemble, to a degree, a shortened, curved version of the acorn worm.
www.nearctica.com /nathist/chordata/chorintr.htm   (837 words)

  
 Acorn Worm
The are about 70 species of Acorn Worms, ranging from 20 to 76 in.
The rest of the body is known as the trunk.
Acorn worms live on the sea-bead, from the shoreline down to the depths of 10,000 ft. (3,050 m).
www.animalweb.com /animalworld/showanimal.asp?iid=658   (186 words)

  
 Arrow Worm - Search Results - MSN Encarta
Arrow Worm, common name for certain small, transparent, free-swimming marine animals.
The acorn worm has features that suggest a relationship to the chordate lineage.
The Deuterostomia comprise the enterocoels—echinoderms, arrow worms, hemichordates, and chordates—the rest of the animal kingdom.
uk.encarta.msn.com /Arrow_Worm.html   (101 words)

  
 Ribbon Worm - Search Results - MSN Encarta   (Site not responding. Last check: 2007-10-07)
Ribbon Worm, common name for about 900 species of primitive, solid-bodied worms.
The unsegmented bodies of ribbon worms are usually long and narrow,...
Elongate worms with a circulatory system and an anus, ribbon worms are common in the sea and rare on land.
uk.encarta.msn.com /Ribbon_Worm.html   (105 words)

  
 Gulf of Mannar - Wikipedia, the free encyclopedia
However, the combined effects of 47 villages, with a total population of around 50,000 has meant that overharvesting of marine species has become a problem.
Fish catches have declined, as have pearl oyster, gorgonian coral, and acorn worm populations.
Local fishermen rely on the reef to feed their families, but destructive fishing methods combined with the stress of pollution and coral mining have meant both nearshore and offshore catches have decreased.
en.wikipedia.org /wiki/Gulf_of_Mannar   (519 words)

  
 acorn worm on Encyclopedia.com   (Site not responding. Last check: 2007-10-07)
Fixit; `Worms' in acorns are larvae of nut weevils.(VARIETY)
THE INFLUENCE OF ACORN CROPS ON ANNUAL VARIATION IN RODENT AND BIRD POPULATIONS.
Full-time staffers at Smithsonian's Division of Worms have made worms their job.
www.encyclopedia.com /html/X/X-acornwor.asp   (170 words)

  
 Invertebrates articles on Encyclopedia.com   (Site not responding. Last check: 2007-10-07)
Acorn worms, class Enteropneusta, are the most common hemichordates.
The body is composed of an anterior, conical proboscis, a short
The pseudocoelom is contrasted with the coelom of mollusks, annelid worms,
www.encyclopedia.com /search.asp?target=@DOCKEYWORDS%20invertz&unkey=i...   (431 words)

  
 acorn - OneLook Dictionary Search
ACORN : Stammtisch Beau Fleuve Acronyms [home, info]
Acorn : Hormel Glossary of Kitchen and Food Terms [home, info]
Phrases that include acorn: acorn worm, acorn cup, sea acorn, acorn nut, acorn computers ltd, more...
www.onelook.com /?w=acorn   (287 words)

  
 Sippewissett Marsh Field Trip   (Site not responding. Last check: 2007-10-07)
Dig 1 (inshore, channel)-- Sandy, grassless clump: one acorn worm, two unidentified polychaetes, plus one more carrying eggs.
Dig 2 (farther out, channel)-- One very long ribbon worm, assorted pieces of Spionid tube, one strongly segmented polychaete (Nereid or Phyllodocid?), and another acorn worm.
Dig 3 (channel, not far away from #2, lots of hermit crabs)-- Several Spionids, one possibly egg-bearing, one large unidentified egg-case, appeared to be hatched out already.
www.whoi.edu /science/B/people/sbeaulieu/Sippewissett.html   (267 words)

  
 Part I: vertebrates
Hemichordates ("half-chordates") are represented by the acorn worm, a mudflat burrowing marine animal with a conical (acorn-like) proboscis, with a collar behind it, and then a tapering body.
Rows of pharyngeal gill slits lie in the wall of the pharynx, behind the collar.
These slits reveal the worm's affinity to the chordates, since chordates have pharyngeal gill slits at some time during their development.
www.geocities.com /i_love_biology2001/vertebrates.html   (6801 words)

  
 The Hutchinson Encyclopedia: acorn worm@ HighBeam Research   (Site not responding. Last check: 2007-10-07)
Search for more information on HighBeam Research for.
Any worm of the class Enteropneusta, phylum Hemichordata.
They have a proboscis surrounded by a collar at their front end, which they use to dig burrows in sand and mud.
www.highbeam.com /doc/1P1:100111382/acorn+worm.html?refid=ip_hf   (132 words)

  
 Comments   (Site not responding. Last check: 2007-10-07)
Some acorn worms swim freely near the ocean bottom
uses to generate energy and food for the worm.
stands perched upon the edges of a tube worm tube.
nemo.blogdrive.com /comments?id=14   (340 words)

  
 Acorn Worm - Search Results - MSN Encarta
See all search results in Photos and more (13)
Search for books about your topic, "Acorn Worm"
Exclusively for MSN Encarta Premium Subscribers--quickly search thousands of articles from magazines such as Time, Newsweek, The Atlantic Monthly, and Smithsonian.
encarta.msn.com /Acorn_Worm.html   (91 words)

  
 Nearctica - Natural History - Hemichordata and Protochordata
Phylum Hemichordata (Acorn Worms, Pterobranchs, and the extinct Graptolites)
The Echinodermata (Sea Stars, Sea Urchins, Sea Cucumbers, etc. are treated on a separate page and are included here because they are generally considered to be the closest relatives to the Chordates and Hemichordates.
Photograph of the Acorn Worm Sarcoglossus kowalevskii from the Woods Hole region of Massachusetts.
www.nearctica.com /nathist/chordata/primchor.htm   (202 words)

  
 genome.gov | Acorn Worm Genome Sequencing
The National Human Genome Research Institute (NHGRI) currently supports a project aimed at producing a draft assembly of the genomic sequence of the acorn worm Saccoglossus kowalevskii.
The genome will be sequenced to 6- to 8-fold sequence depth.
The acorn worm sequencing project has yet to be assigned to a sequencing center; more information about this project will be posted here as it becomes available.
www.genome.gov /12512301   (75 words)

  
 Acorn Worm
Click here to do a keyword search for images.
: hemichordata, hemichordates, enteropneusta, vermiform, bilateria, worm-like, worms
For Terrestrial Images visit our sister library by clicking on the flower below.
www.imagequest3d.com /catalogue/macromarine/pages/n011_tif.htm   (90 words)

  
 FabulousDomains.com Buy Domain Names For Sale - Buy "Acorn" Domain Names
FabulousDomains.com Buy Domain Names For Sale - Buy "Acorn" Domain Names
1, 'homepage' => 't', 'ref' => 0, 'darkbluesiteid' => 0, 'contains' => 'acorn', 'search' => 't',) -->
You have searched for domains containing acorn in ALL categories.
www.fabulousdomains.com /acorn.html   (129 words)

  
 FabulousDomains.com Buy Domain Names For Sale - Buy "Worm" Domain Names listed in the "Reference & ...
FabulousDomains.com Buy Domain Names For Sale - Buy "Worm" Domain Names listed in the "Reference & Media" Category
You have searched for domains containing worm in the Reference & Media category.
Show all domains in the Reference & Media category.
www.fabulousdomains.com /reference-and-media-504/worm.html   (134 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.