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Paramecium

Paramecium. Characteristics. Called ‘Ciliates’ – from cilia Single-celled organisms Found in fresh water, some in salt and brackish water all over the world. Have cilia – help with movement and feeding Heterotrophic. Structure. (Macronucleus). pellicle. 2. Thick outer membrane –

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Paramecium

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  1. Paramecium

  2. Characteristics • Called ‘Ciliates’ – from cilia • Single-celled organisms • Found in fresh water, some in salt and brackish • water all over the world. • Have cilia – help with movement and feeding • Heterotrophic

  3. Structure (Macronucleus) pellicle

  4. 2. Thick outer membrane – Gives it shape Cilia 3. Controls the cell’s activities Pellicle Macronucleus 4. Can have many of these; contain the chromosomes and are used only during conjugation. Micronucleus Contractile vacuole 5. Remove excess water out of the cell; works like a pump. Oral groove/ mouth pore Gullet Food vacuole 6. Takes in food here Anal pore Trichocyst 8. Food is digested Ectoplasm Endoplasm 9. Get rid of undigested food particles here 10. Protection or defense against predators

  5. Reproduction Asexually through binary fission

  6. Sexually through conjugation 2 Paramecium connect at the oral grooves and exchange micronuclei

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