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Protista

A Kingdom of Life

Description

This kingdom is made up of eukaryotes that are single celled organisms. Some are also muliticellular organisms as well. They lack special tissues that members of the plantae kingdom have. Protista organisms have a membrane bound nucleus with chromosomes and organelles. The reproduction of Protista is not known, but it is believed that genetic recombination is used.

3 Main Phyla

  • Sarcodina-
  • This phylum contains heterotrophic single celled organisms. They feed with a cytoplamis extension. Organisms can live both on land or in water. They reproduce sexually or asexually.
  • Ciliophora-
  • This phylum is also single celled, but is complex. The organisms are heterotrophic and have cilia and two nuclei.
  • Zoomastigina-
  • This phylum is a single celled heterotrophic. The organism have one or more flagellum. Most reproduce asexually though few reproduce sexually.

Example Animal

    Giardia lamblia- The genus name is Giardia and the species name is lamblia. It is found almost anywhere in the world. They are usually found in area's around mountains which have lakes, streams, and ponds with waiste. Once Giardia has entered a human body it feeds on the intestine and feces. Some interesting facts about this organism is that it can cause a disease if it infects a human. At times Giardia can get in food especially when its not cooked all the way or unclean water. Most sewers are filled with it considering that is where human waist goes. Once the disease is caught symptoms that occur are severe diarrhea and cramps. Also some foods may be hard to intake such as milk. The most common place to be infected with Giardia is while camping. Doctors say that most people who get infected usually just arrive home from camping trips.

    Protista Links

    Giardia
    Protista Kingdom
    Little Organism

    Links to Sites

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