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Kingdom Protista

Learn about the diverse world of protists - the very first organisms, including plant-like autotrophs, animal-like heterotrophs, and fungus-like heterotrophs. Explore the groups of protozoans - amoebae, flagellates, and ciliates, and discover the intriguing Euglena, a unique combination of plant and animal characteristics. Check out videos to delve deeper into the evolutionary history and characteristics of protists.

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Kingdom Protista

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  1. Kingdom Protista

  2. If you look at a drop of pond water under a microscope, you might see "little creatures" swimming around, they are called • protists–meaning “the very first.”

  3. Protists are either plant-like, animal-like or fungus-like.

  4. Plant-like protists are autotrophs – meaning they contain chloroplasts and make their own food. • Animal-like and fungus-like protists and areheterotrophs-meaning they have to ingest food.

  5. Protozoansare animal-like protists.Protozoameans "little animal.“ • They are so named because many species behave like tiny animals—specifically, they hunt and gather other microbes as food.

  6. The first group of Protozoa's include amoebae <ah-me-bee. • Amoebae ooze along by means of pseudopodia (false feet) engulfing food as they go. • Amoebae live in water or moist places. • They have a cell membrane but no cell wall.

  7. Click on the picture to watch a video of an amoeba

  8. The second group is the Flagellates <flah-geh-lets>, and have one or several long, whip-like projections called flagella poking out of their cells. • Flagellates use their flagella to move.

  9. The third group of protozoans are the ciliates. These are generally the largest protozoa. • They are covered with hair-like projections called cilia and they eat the other two types of protozoa as well as bacteria. • Ciliates are found in every aquatic habitat. • Paramecium are ciliates.

  10. Plant-like protists arealgae. • Algae are autotrophs. • They, along with other eukaryotic autotrophs, form the foundation of Earth’s food chains. • They produce much of Earth’s oxygen.

  11. Members of first phylum of algae, Euglenophyta, are both plant-like and animal-like. • Euglena are autotrophs since they make food from sunlight and • Heterotrophs since they ingest food from surrounding water.

  12. Euglena- the plant like animal • Euglena are interesting because they are a sort of combination of plant and animal. They can make their own food like a plant, but they can also eat other things, like an animal. They can also swim and move. Scientists argued for years about which Kingdom to put them in, Animal or Plant? Right now they are in neither; most scientists put them in the Protist Kingdom with other microscopic organisms, such as amoeba and paramecium.

  13. picture of an Euglena

  14. Watch videos • http://study.com/academy/lesson/the-evolution-of-protists-importance-evolutionary-history.html • http://study.com/academy/lesson/fungus-like-protists-characteristics-types-examples.html • http://study.com/academy/lesson/3-methods-of-protist-locomotion.html

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