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Topic: Phylum

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In the News (Tue 25 Jun 19)

  Phylum - Wikipedia, the free encyclopedia
Phylum (plural: phyla) is a taxon used in the classification of life, adopted from the Greek phylai the clan-based voting groups in Greek city-states.
Many phyla are exclusively marine, and only one phylum is entirely absent from the world's oceans: the Onychophora or velvet worms.
Subgroup of phylum Chordata; perhaps synonymous with Vertebrata.
en.wikipedia.org /wiki/Phylum_(biology)   (233 words)

The molluscs rival the arthropods in their diversity of body forms and sizes, as well as their ecological success.
The phylum also provides some of the most familiar animals, such as snails, clams, mussels, squids, and octopus (which, like the arthropods, are well known because they're good to eat).
The phylum Mollusca also includes lesser known forms such as the chitons, tusk shells, solenogasters, among others.
www.meer.org /M30.htm   (767 words)

 Phylummusic.com   (Site not responding. Last check: 2007-10-22)
Phylum has been very busy tending to their own things the past few weeks.
Phylum has a limited number of tickets for their upcoming show this Friday at The Empress Ballroom and they NEED to go!
Phylum, Apprentice, Abnormal Sensation, The Tragic and Heresy all playing at the Sprain Golf Course (Sprain Golf Course East Grassy Sprain Road, Yonkers, NY 10701).
www.phylummusic.com   (909 words)

The exclusively aquatic phylum Cnidaria is represented by polyps such as sea anemones and corals, and by medusae such as jellyfish.
The possession of intrinsic nematocysts is the defining characteristic of the phylum (Hessinger and Lenhoff 1988); nematocysts are the most diverse and widespread of three types of cnidae (cnidos = thread) -- hence the preferred name of the phylum.
Hydra, which is used in many textbooks to illustrate the phylum, is utterly atypical: a hydrozoan, it lacks a medusa, it has aggregations of gametogenic tissue that function as gonads, and it is among only a handful of freshwater cnidarian species.
tolweb.org /tree?group=Cnidaria&contgroup=Animals   (2347 words)

 Phylum 3.6.1 - MacUpdate
Phylum is a software product designed for scientists who need to manage, organize and find digital images quickly and easily.
Phylum creates a thumbnail representation for all your images before they are archived on external storage media.
Phylum enables you to view and manage galleries of images, then when you need to locate an image Phylum will tell you the location of the file.
www.macupdate.com /info.php/id/13974   (136 words)

 Phylum. Digital Image Management and Archiving Software for Scientists
Phylum is a drag and drop image management system.
Phylum includes a powerful search and find command that not only allows you to search by naming criteria, but also by time stamp information, camera or microscope used, channel, and even image properties such as brightness, color and depth.
Phylum contains a host of tools and editing features such as Auto Contrast, adding a color LUT, changing color levels and contrast, removing noise, drawing ROIs and lines, adding image notes and scale bars, and many, many others.
www.improvision.com /products/Phylum   (445 words)

 Chapter 3b  Zygomycota
Now for a taxonomic survey of the phylum and its two classes.
This new phylum has relatively few members (fewer than 200 species have been described) but it is of enormous importance in the biosphere.
Schuessler, A., D. Schwarzott and C. Walker (2001) A new fungal phylum, the Glomeromycota: phylogeny and evolution.
www.mycolog.com /CHAP3b.htm   (2817 words)

 Animal Phyla
Ctenophores superficially resemble miniature medusae (phylum Cnidaria); however, most medusae arise asexually from a polyp generation and ctenophores have no polyp stage in their life cycle.
Peanut worms (phylum Sipunculoidea) are named after their shape when when fully contracted, such as when they are handled.
A small group of marine invertebrates that were once thought to have a short notochord, the supportive axial rod that characterizes the phylum Chordata; hemichordates do possess gill slits or pharygeal clefts that are also found in chordates.
waynesword.palomar.edu /trnov01.htm   (4449 words)

 Phylum Tardigrada summary for Zoology 6207, Spring 1982, WR Elsberry
Phylum Tardigrada summary for Zoology 6207, Spring 1982, WR Elsberry
Definition of the phylum: Microscopic, protostomous coelomates displaying limited metamerism; possessing a chitinous cuticle, a distinct head, four pairs of ventral legs, a pair of stylets, a sucking pharynx, and a pair of Malpighian tubules.
Further study is required to authoritatively place the phylum Tardigrada.
www.rtis.com /nat/user/elsberry/taxa/tardigra.html   (896 words)

 Biological Diversity 7
Members of this phylum are characterized by stinging cells, that eject a barbed thread and possibly a toxin.
The phylum as a whole has adult bilateral symmetry and cephalization (the development of a head with sensory organs, in most members).
Several of the fossils from the Cambrian-aged Burgess Shale are interpreted as ribbon worms, and some extremely long worms have been found in the Mediterranean (up to 100 feet long) and in the ocean under the Antarctic ice shelves.
www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookDiversity_7.html   (3913 words)

 Phylum Acanthocephala
Position of Acanthocephala was very uncertain; placed among flatworms, roundworms, chaetognatha, and finally lumped into the Aschelminthes.
Definition of the phylum- Endoparasitic, pseudocoelomate, and wormlike Bilateria, lacking a digestive tract, with the anterior end formed into an invaginated proboscis armed with hooks.
Body is elongated, becoming tapered at both ends, with size ranging from 1.5mm-.5m in length.
www.rtis.com /nat/user/elsberry/taxa/acanth.htm   (1051 words)

 Phylum Nemata   (Site not responding. Last check: 2007-10-22)
However, when nematodes were placed in the phylum Aschelminthes, they were classified as class Nematoda (along with class Rotifera, class Gastrotricha, class Kinorhyncha, class Priapulida and class Nematomorpha).
When a reference is made to Nemata, there is no doubt that it is the phylum being referred to whereas when an author makes a reference to Nematoda, the author could mean either the phylum or the class.
While nematodes are generally accepted as being a phylum, debate is still ongoing concerning their relationship to other animals grouped together on the basis of the structure of the body cavity.
nematode.unl.edu /nemata.htm   (224 words)

 Biological Diversity 9
The phylum Echinodermata includes the sea urchins, sea stars, sea cucumbers, and starfish.
Members of the phylum have a water vascular system that powers their multitude of tube feet.
Specimen of acorn worm (L), a member of the Phylum Hemichordata, and a fossil of a graptolite (R, Monograptus), a member of an extinct group of hemichorates.
www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookDiversity_9.html   (6168 words)

 General Biology (Course for Biology Majors)   (Site not responding. Last check: 2007-10-22)
The Phylum Acanthocephala, or spiny-headed worms, include about 500 species.
They are usually under an inch long, but some species can grow up to 26 inches in length.
Reproduction is sexual, and the sexes are separate.
www.biology.missouri.edu /courses/Bio10/Acanthocephala.html   (103 words)

 Immaculate Phylum
I've merged a couple of blogposts from my other blogs into the Phylum.
I'm discontinuing the following three blogs and the subject matter they dealt with will now be discussed on the Phylum instead.
This is in preparation for something I have planned that may happen in the very foreseeable future.
phylum.blogspot.com   (838 words)

 Phylum - Chordates (Phylum Chordata)
Bryophytes used to be classified as three classes of a single phylum, Bryophyta.
The machinic phylum is metallurgical, or at least has a metallic head, as its itinerant probe-head or guidance device
The unifying characteristic of chordates (Phylum Chordata) is the presense of a notochord (an internal skeletal rod that provides support) during some stage
yourweblist.com /ywl/phylum.html   (180 words)

Loko Phylum has entered the Warped Tour Ernie Ball Battle of the Bands 10.
Today I was talkign to some people about music in general and they just kind of brought of Loko Phylum (i.e.
YOU) and I was like oh do you like them and they were like yeah they're awesome and their shows are great too.
www.myspace.com /lokophylum   (968 words)

 phylum level evolution
While this is widely stated by apologists and paleontologists, it is actually an assumption not borne out by the data.
Before we can discuss phylum level evolution, we must know what a phylum is. A phylum is a group of animals sharing a similar body plan.
A phylum is assigned to a given creature based upon its having the shared characteristic body plan.
home.entouch.net /dmd/cambevol.htm   (5386 words)

 Phylum   (Site not responding. Last check: 2007-10-22)
The phylum consists of animals that are bilaterally symmetrical.
They all have paired limbs, one of which functions as a pair of jaws.
Insects have been around since the Devonion period, these are the most numerous among the arthropods, and can live on both land and in water.
www.gpc.edu /~pgore/students/s98/aprylle/arthropod1.htm   (285 words)

 Phylum - Surreys No.1 Hip-Hop Event - Homepage
Phylum is now at The Star in Guildford
The last Phylum of 2005 is on Sunday 27th November at the Star, Guildford.
We welcome 2 very special guests on their acclaimed Trading Bars UK Tour.
www.phylum.biz   (116 words)

 soil-inhabiting nematodes - Phylum Nematoda
The rhizosphere soil around small plant roots and root hairs is a particularly rich habitat for many kinds of nematodes.
Various authorities distinguish among 16 to 20 different orders within this phylum.
Only about 10 of these orders regularly occur in soil, and four orders (Rhabditida, Tylenchida, Aphelenchida, and Dorylaimida) are particularly common in soil.
creatures.ifas.ufl.edu /nematode/soil_nematode.htm   (1082 words)

 The Invertebrate Animals
The cavity is also called a coelenteron and for many years the name of this phylum was Coelenterata.
Hydrozoa Although the freshwater hydra is a much-studied representative, it is not typical of the class.
The bilateral symmetry of planarians is associated with
users.rcn.com /jkimball.ma.ultranet/BiologyPages/I/Invertebrates.html   (1969 words)

 Introduction to the Annelida   (Site not responding. Last check: 2007-10-22)
The phylum includes earthworms and their relatives, leeches, and a large number of mostly marine worms known as polychaetes.
Various species of polychaete are known as lugworms, clam worms, bristleworms, fire worms, sea mice, and "EWWW!
And not to forget the third main class of annelids, Mark Siddal's Hirudinea pages present original work on the evolution of leeches.
www.ucmp.berkeley.edu /annelida/annelida.html   (164 words)

 The Hutchinson Encyclopedia: phylum@ HighBeam Research   (Site not responding. Last check: 2007-10-22)
Search for more information on HighBeam Research for.
Mammals, birds, reptiles, amphibians, fishes, and tunicates belong to the phylum Chordata; the phylum Mollusca consists of snails, slugs, mussels, clams, squid, and octopuses; the phylum Porifera contains sponges; and the phylum Echinodermata includes starfish, sea urchins, and sea cucumbers.
In classifying plants (where the term 'division' often takes the place of 'phylum'), there are between four and nine phyla depending on...
highbeam.com /library/doc0.asp?DOCID=1P1:100166673&...   (172 words)

 Introduction to the Arthropoda   (Site not responding. Last check: 2007-10-22)
They have segmented bodies and show various patterns of segment fusion (tagmosis) to form integrated units (heads, abdomens, and so on).
The phylum takes its name from its distinctive jointed appendages, which may be modified in a number of ways to form antennae, mouthparts, and reproductive organs.
Click on the buttons below to learn more about the Arthropoda.
www.ucmp.berkeley.edu /arthropoda/arthropoda.html   (297 words)

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