PROTISTA

PROTISTA

Nutrition
1. Chemoheterotrophic
  1. Saprophytes
  2. Holozoic
  3. Osmotrophy
2. Photoautotrophic
3. Mixotrophic
4. Obtain food through
  1. Ingestion
  2. Phagocytosis
  3. Pinocytosis
  4. Absorption
Morphology
1. Cilia/Flagella
2. Plasma membrane
3. Cytoplasm
  1. Outer gelatinous ectoplasm
  2. Inner fluid region(endoplsm)
4. Pellicle structure-provide support
5. Vacuole
  1. Contractile
  2. Phagocytic
6. Energy production
  1. Chemoorganotrophic
    1. Mitochondria
  2. Photosynthetic
    1. Chloroplast + mitochondria
  3. Anaerobic chemoorganotrophic
    1. Hydrogenosomes
Reproductive cells & structures
1. Asexual
  1. Binary fission
2. Sexual
  1. Autogamy
  2. Conjugation
Different from
1. Algae
  1. No chlorophyll
2. Prokaryoates
  1. Relatively larger and eukaryotic nature
3. Slime molds
  1. Lack of fruiting body
4. Yeast& fungi
  1. By motility and lack of cell wall
Characteristics
1. Unicellular ,eukaryotic
2. Predatory / parasitic / some pathogenic
3. Aerobic / anaerobic / chemoheterotrophic
4. Colourless , motile
5. Found in water and soil
Group in Protozoa
1. Archaezoa
  1. Flagellated
  2. Whiplike movement
  3. Free living
  4. Parasitic / pathognic
  5. Trypanosoma gambiense
2. Ciliophora
  1. Cilia
  2. 2 kind of nuclei
    1. Micronucleus
    2. Macronucleus
  3. Paramecium
  4. Gullet / cytosome
  5. Freshwater / marine
  6. Bulantidium coli
3. Rhizopoda
  1. Amoeba
  2. Ameboid movement
  3. Phagocytosis
  4. Freshwater , marine
  5. Amoeba dysentery
  6. Fecal contamination
4. Apicomplexa
  1. Not motile when mature
  2. Obligate parasite
  3. Transmission between hosts
  4. Malaria
  5. Toxoplasmosis
Algae
1. Habitat
  1. Acidic
  2. Aquatic
  3. Moist/dry soil
2. Cell wall
  1. Absent
  2. Cellulose fibrils + polysaccharide
  3. Chitin / silica
  4. CacO3
3. Distribution
  1. Terrestrial
  2. Aquatic
    1. Planktonic
    2. Benthic
    3. Neustonic
4. Reproduction
  1. Asexual
    1. Fragmentation
    2. Spores
    3. Binary fission
  2. Sexual
5. Mobility
  1. Flagella
    1. single : Euglena
    2. 2 / 4 polar :Chlorophyta
    3. 2 of different length & point of insertion : Dinoflagellates
  2. non-motile : vegetative stage
6. Ecology
  1. Provide habitat
  2. Food source
  3. Alginic acid
  4. Carrageenan
  5. Producer
  6. Algae bloom
    1. Disrupt food web
    2. Neurotoxin
7. Taxonomy
  1. Chlorophta
    1. green alage
    2. CW : Cellulose
    3. Chlorophyll a , b
    4. Store glucose polymer
  2. Rhodophyta
    1. Red algae
    2. absorb blue light
    3. CW ; Cellulose
    4. Sexual
    5. Store glucose polymer
  3. Phaeophyta
    1. Brown algae
    2. Macroscopic
    3. Chlorophyll a , c ,xanthophyll
    4. CW : cellulose / algin
    5. Sexual
  4. Chrysophyta
    1. Diatoms
    2. Golden brown
    3. Domoic acid
    4. Chlorophyll a , c
    5. Unicellular
    6. Sexual
    7. Storage : Oil
    8. CW : peptin , silica
    9. Global carbon cycling
  5. Pyrrophyta
    1. Unicellular
    2. Neurotoxin
    3. Red tides
    4. Chlorophyll a, c
    5. CW : cellulose
    6. Store : Starch
  6. Euglenophyta
    1. The Protozoa
    2. Unicellular
    3. Heterotrophic
    4. Chlorophyll a , c , carotene
    5. No cell wall
    6. Asexual
    7. Store : glucose
Slime molds
1. Taxonomy
  1. Myxomycota
    1. Plasmodial(Acellular)
    2. Glistening
    3. Saprophytes
    4. Multinucleated
  2. Acrasiomycota
    1. Cellular
    2. Phagocytosis
  3. Peronosporomycetes
    1. Egg fungi
2. Importance
  1. Predator
  2. Decomposer
  3. Consumer
  4. Causes diseases
  5. Recycling of nutrients

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