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Name ______________________________ Lakeland High School Date ______________________________ Biology/Ms. Tsai Protist Kingdom Characteristics: Eukaryotic Usually unicelluar Motile - can move using flagella, cilia or pseudopods Some autotrophic, some heterotrophic Reproduction – usually asexual Three different types: Plant - like Animal - like Fungus - like Animal-like protists Examples: Heterotrophic Amoebas Reproduce by binary fission (asexual reproduction) Pseudopods - false feet--- engulf their food Paramecium Fine hair-like projections for movement (cilia) Reproduction is usually asexual but they can sometimes conjugate (swap genetic material) Plant like protists Photosynthetic Most are unicellular, a few are multicellular Phytoplankton - responsible for most of the world’s oxygen Euglena For movement (flagella) Have eyespots to sense the light…..so they can swim towards the light (for Photosynthesis to make their own food) Diatoms Shells made of silica. When they die, they form deposits on ocean floor. Used on abrasives, such as in toothpaste Algae They can be multicellular What we think of as seaweed Over 7,000 different species “Red Tide” is caused by a type of algae that produces toxins, kills fish, contaminates shellfish and can make people sick Fungus like protists Heterotrophic - they absorb their food from the outside Decomposers - like true fungus Slime molds Can live independently as cells but have ability to gather and move like one in a mass They do this to find a good area in which to release spores for reproduction Summary questions 1. Fill out the following table describing the characteristics of protists: Prokaryotic or eukaryotic? Autotrophic or heterotrophic? Motile or sessile? Asexual or sexual reproduction? Unicellular or multicellular? 2. What are the three groups of protists? Give an example of each 3. Name three ways protists can move 4. What is the main difference between the protist kingdom and bacteria?