PROTISTS EUGLENA, AMOEBA, PARAMECIUM, VOLVOX What is a Protist? • Kingdom Protista • Very diverse single-celled organisms. • Eukaryotic • Less complex with many different characteristics. EUGLENA • Single-celled Protists that live in fresh water. • Captures and releases energy- producers (make their own food) and heterotrophs (gets food by eating other things) • Some contain chlorophyll More Info on Euglenas • Feedback- Eyespot helps them sense light. • Waste- Contractile Vacuole holds excess water and removes it from the cell. • Movement- Flagella • video More Info on Euglenas • ReproductionAsexual (binary fission) • Specialized Needsshape does changes easily so it can move around AMOEBA • Found in freshwater and salt water around a lot of dead and decaying material. • Captures and releases energyparasites, they get energy by invading other organsisms More Info on Amoebas • Feedbackpseudopodia (false feet) • Waste- Contractile Vacuole holds excessive waste • Movementpseudopodia (false feet) • amoeba video More Info on Amoebas • ReproductionAsexual (binary fission) • Specialized Needsn/a • Amoeba eating PARAMECIUM • Found in freshwater. This is a single celled organism but is more complex that other organisms. • Captures and releases energyCilia sweep food into food passageway. • VIDEO Paramecium Continued… • Feedback- n/a • Waste- Anal Pore (food waste is removed) and Contractile Vacuole (water waste) • Movement- Cilia (tiny hairs that move back and forth.) Paramecium Continued… • ReproductionSexual (two Parents) • Specialized NeedsSpecialized Function: Two nucleuses (Macronucleus and Micronucleus) VOLVOX • Found in ponds ditches and puddles. • Composed of a colony of tiny flagellate cells. (more than 50,000 cells) • Often times called algae. Volvox continued… • Captures and releases energyphotosynthesis and flagella help bring in nutrients. • Feedbackeyespots to help sense light. • Waste- n/a Volvox continued… • Movement- Many flagella help move it. • Reproductionasexual and sexual, daughters colonies created. • Video