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Topic: Protist

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In the News (Thu 18 Jul 19)

  Protist - Wikivisual
Protists (IPA: [ˈprəʊ.tɪst] or [ˈpro.tɪst]) are a heterogeneous group of organisms, comprising those eukaryotes that are not animals, plants, or fungi.
The protists are a paraphyletic grade, rather than a natural (monophyletic) group, and do not have much in common besides a relatively simple organization (unicellular, or multicellular without highly specialized tissues).
Protists were traditionally (for the last 150 years) subdivided into several groups based on similarities to the higher kingdoms: the animal-like protozoa, the plant-like algae, and the fungus-like slime molds and water molds.
en.wikivisual.com /index.php/Protist   (631 words)

 BioEd Online Slides: protist, protozoan, plants, kingdom, algae
Protists form a broad base across the bottom of the food chain, and they supply approximately one-half of the world's oxygen (unicellular algae compose a large portion of the world's phytoplankton).
Protists, along with bacteria and fungi, are responsible for decomposing and recycling nutrients.
Animal-like protists are responsible for diseases such as malaria, amoebic dysentery, toxoplasmosis, African Sleeping Sickness and Giardiasis in humans.
www.bioedonline.org /slides/slide01.cfm?q=protist   (1579 words)

 Protist - CreationWiki, the encyclopedia of creation science
The kingdom protist is divided into three groups, the names of these groups always varies but it usually stays along the animal-like, plant-like, and fungus-like lines.
Zoomastigophora are the flagellates of the kingdom protist.
The reproduction process for the kingdom protist is extremely complex and confusing, but just like their diet, they have three reproductive processes which are isogamy, anisogamy, and oogamy.
creationwiki.org /Protists   (487 words)

 Kingdom Protist Information
Some protists are autotrophs, a photosynthetic group of phyla referred to as the algae.
Protists eat by phagocytosis - they engulf their food in their cell membrane, and pinch off a section of membrane to form a hollow space inside the cell.
Protists are mainly defined by what they are not - they are not bacteria or fungi, they are not plants or animals.
pangea.tec.selu.edu /~cmcnabb/etec645/protist2.html   (1999 words)

 Highbeam Encyclopedia - Search Results for protist
The taxonomic relationships of protozoans to one another and to other protists continue to be revised.
Protists, which are eukaryotes, have cells that have a membrane-bound nucleus, DNA that is associated with histone...
Rationale for the experiment Although protist ingestion activities are not new, in...
www.encyclopedia.com /SearchResults.aspx?Q=protist   (1255 words)

 Protist Workshop - Detailed Description
Protists constitute the bulk of eukaryotic diversity yet protist genomes remain relatively unexplored.
This includes educating researchers studying protists about the latest technologies in genome sciences, informing leaders of genome centers about the diversity and biology of protists, and providing exposure to approaches to genome data analysis and large-scale systematic studies to the protist community.
Identifying the challenges: The challenges in collecting and analyzing genomic data from protists are numerous and include the complex genetics of many of these lineages and the lack of basic biological information on others.
www.biology.uiowa.edu /workshop/WS_Details.php   (689 words)

 Protista Group
The parasitic protists are animal-like protists that live in or on another organism, obtaining all its nutrients from that host organism.
Fungus-like protists are heterotrophic, they cannot make their own food, and thus they must be able to move at some point in their lives.
Green algae are plant-like protists that are structurally closest to plants.
students.ncwc.edu /bio101/protista/Default.htm   (2275 words)

 Protist Workshop May 19-21, 2004 Home Page
The specific aims of the workshop are to define the role of genomics in the eukaryotic tree of life, to identify challenges in characterizing protist genomes, and in proposing specific solutions to these challenges.
This symposium will be a public forum that will consist of invited lectures from experts in the field of protist genomics that will provide the community with an update on the emerging data as well as information on appropriate genomic tools to use in the future.
Work on protist genomes is, however, hampered by a lack of understanding of protistology among genomicists and vice versa.
www.biology.uiowa.edu /workshop   (320 words)

 Exhibition of Movies on Protists
Arthur J. Repak on identification of the protists
Even though it is in the same family as many algae, it doesn't produce food by itself, instead feeding on substances it collects in the environment (heterotrophic feeding).
The name of this protist indicates that it is the color of blood and that its shape is spherical.
www.funsci.com /fun3_en/protists/exhibition.htm   (1905 words)

 Mr. Carl's e-Class on Protists
Protists that are classified as animal-like are called protozoans and share some common traits with animals.
Likewise, all animal-like protists are able to move in their environment in order to find their food.
These protists move by extending their bodies forward and then pulling the rest of their bodies forward as well (check it out).
www.lanesville.k12.in.us /LCSYellowpages/Tickit/Carl/protists.html   (541 words)

 Protist Lab
Explain the key role that protists play in supporting life in aquatic communities, as well as sustaining human life on the planet.
Cilia are used to sweep smaller protists, bacteria, and non-living organic matter into an oral groove.
An example of a euglenoid is Euglena, a freshwater protist.
faculty.stcc.edu /BIOL102/labs/protists/protistlab.htm   (2128 words)

 The Protist Kingdom
Traditionally, Kingdom Protista has been divided into "plant-like protists," which make their own food through photosynthesis, "animal-like protists," who move and pursue their food, and "fungus-like protists," with cell walls containing a substance called chitin.
They are single-celled animal-like protists that move using cilia, special hair-like structures on the outside of their bodies.
The dinoflagellates are single-celled protists that live in water, mostly in the sea.
www.planet-science.com /outthere/lifemasks/protista.php   (718 words)

Protists are all eukaryotic organisms and for the most part are unicellular or have very simple multicellular structures.
The only two characteristics that are common between the majority of protists are that most of the species are unicellular and have relatively simple multicellular or multinucleate structures.
The slime molds are a group of organisms classified with protists because of their similarity to amoebas.
www.infusion.allconet.org /webquest/TheProtists.html   (776 words)

 Biology of Protists video/DVD guide.
The goal of this program is to show a representative sample of the great diversity of protists, and to show why they need a new classification reflecting our growing understanding of their long evolutionary history.
The protists shown can be found in habitats such as: roadside puddles, park duck ponds, aquariums, birdbaths and in the gut of termites.
While these forms of imaging living protists are particularly revealing for some aspects of micro-organism biology, all of the organisms seen here can be studied successfully with student microscopes.
ebiomedia.com /prod/ProtistsVideoDVD.html   (2300 words)

 The Protists
The name Protista means "the very first", and some of the 80-odd groups of organisms that we classify as protists may well have had long, independent evolutionary histories stretching as far back as 2 billion years.
Genome analysis also shows that many of the groups placed in the Protista are not at all closely related to one another; that is, the protists do not represent a single clade.
These are single-celled (e.g., Monosiga), aquatic (both fresh water and marine) protists that have a single flagellum surrounded by a collar ("choano" = collar) of microvilli.
users.rcn.com /jkimball.ma.ultranet/BiologyPages/P/Protists.html   (1882 words)

Single-celled organism which has a eukaryotic cell, but which is not a member of the plant, fungal, or animal kingdoms.
Single-celled photosynthetic organisms, such as diatoms and dinoflagellates, are classified as protists or algae.
Recently the term has also been used for members of the kingdom Protista, which features in certain five-kingdom classifications of the living world (see also plant classification).
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0015150.html   (177 words)

 Antarctic Protist Culture Collection
The Antarctic culture collection consists of a diverse assortment of protists representing many of the groups found in marine microbial communities and several novel psychrophilic protists (1,2).
The protists were collected from water, ice, slush and sediment environments in the Ross Sea, Antarctica.
The protist collection serves as a tool for assessing Antarctic microbial community structure and function (3).
www.whoi.edu /science/B/protists   (302 words)

 [No title]
protist at WRETCH at 10:22 AM post
protist at WRETCH at 10:52 AM post
Re: Tequila And Salt, by protist (Jul 8)
www.wretch.cc /blog/protist   (151 words)

  Learn more about Protist in the online encyclopedia.   (Site not responding. Last check: )
Protists are ubiquitous throughout aqueous environments and the soil, commonly surviving dry periods in the form of cysts; a few are important parasites.
Further, the protists themselves are understood to be paraphyletic to the other eukaryotic kingdoms.
Many workers now consider the various protist clades as direct subgroups of the eukaryotes, with the admission that we do not yet know enough about them to properly arrange them into a hierarchy.
www.onlineencyclopedia.org /p/pr/protist.html   (390 words)

  Protist - Wikipedia, the free encyclopedia
Protists (IPA: [prəʊˌtɪst]) are a heterogeneous group of living things, comprising those eukaryotes that are neither animals, plants, nor fungi.
The protists are a paraphyletic grade, rather than a natural (monophyletic) group, and do not have much in common besides a relatively simple organization (unicellular, or multicellular without highly specialized tissues).
Protists were traditionally (for the last 150 years) subdivided into several groups based on similarities to the higher kingdoms: the animal-like protozoa and the plant-like algae and the fungi-like slime molds.
en.wikipedia.org /wiki/Protist   (514 words)

 Protist: Facts and details from Encyclopedia Topic   (Site not responding. Last check: )
Protists are a heterogeneous group of living things, EHandler: no quick summary.
In phylogenetics, a grouping of organisms is said to be paraphyletic (greek para = near and phyle = race) if all the members of the group have a common...
Protists were traditionally divided based on similarities to the higher kingdoms.
www.absoluteastronomy.com /encyclopedia/p/pr/protist.htm   (1108 words)

 biology - Protist
Protists are a heterogenous group of living things, comprising those eukaryotes which are neither animals, plants, or fungi.
The protists are a paraphyletic grade, and aside from a relatively simple organization, there are not many characteristics common to the group.
This may be placed in a separate kingdom Chromista, in which case the remaining protists may be treated as a paraphyletic kingdom Protozoa.
www.biologydaily.com /biology/Protist   (338 words)

 Life Science | Session 2
There are also “colonial protists,” which are aggregates of individual cells of the same species that function together as a group.
Malaria, a world-wide disease occurring in tropical climates, is caused by an animal-like protist, the Plasmodium.
The fungus-like protists are commonly known as slime molds, and include the brightly colored organisms found growing on decomposing trees and the pesky mildew growing in a bathroom.
www.learner.org /channel/courses/essential/life/session2/closer_protist.html   (374 words)

 Part 3: Protists
Protists are probably the ancestors of plants, animals and fungi, and they may have been around as long as two billion years.
A protist is an organism made of a single cell, and yet it can live, eat, and reproduce like other living things.
There are protists which have long whips to move with, and others which have tiny hairs.
www.dmturner.org /Teacher/Library/5thText/SimplePart3.html   (629 words)

 Protist Treasure Hunt
Understanding Statement: Protists, which live in water environments such as ponds, rivers, and bays, are complex, single-celled organisms that move using cilia, flagella, and pseudopodia.
Protists are important because they play a major role in all food webs.
Read this article about protists and explain why protists are important to life on earth.
facultyfp.salisbury.edu /rdroyer/thunt/protist.htm   (573 words)

Protists are the the simplist organisms on earth because they are unicellular.
The protist that causes malaria is a protozoa.
The malaria causing protist is called Plasmodium, the best known protozoa menace.
www.angelfire.com /zine2/protist/sci_pro.html   (61 words)

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