THE PROTIST MIND MAP

Anotações:

• free living moist habitats chemoorganotrophic formsterrestrial and planktonic forms parasitic forms

Anotações:

• 1.Chemoheterotrophic -saprophyte -osmotrophy -holozoic nutrition 2.Photoautotrophic 3.Mixotrophic

Anotações:

• 1. Plasma membrane similar to plants/animals 2. Cytoplasm divided into ectoplasm and endoplasm 3. Pellicle structure for support 4. Contractile vacuoles and phagocytic vacuoles 5. Energy production through mitochondria, chloroplast, hydrogenosomes 6. Cilia/flagella for motility/feeding

Anotações:

• Asexual through binary fission Sexual through gamete fusion

1. Diversity

   Anotações:

   • 1. Microscopic 2. Occur singly/in colonies 3. Swim freely/contacts with substratum/be sedentary 4. Housed in a shell 5. Clothed in scales/be naked 6. May/may not be pigmented 7. Parasitic/symbiotic 8. Encystment
2. Nutrition

   Anotações:

   • 1. Aerobic, anaerobic 2. Photosynthesis 3. Obtain food through ingestion, pinocytosis, phagocytosis, absorption
3. Major Group
   1. Archaezoa

      Anotações:

      • 1. 2/more flagella 2. move in whiplike manner 3. free-living 4. parasitic-pathogenic 5. freshwater 6. Trypanosoma gambiense 7. African sleeping sickness 8. Live and grow in bloodstream
   2. Apicomplexa

      Anotações:

      • 1. Not motile in mature forms 2. Obligate parasites 3. Food absorbed through outer wall 4. Complex life cycle 5. Primarily animal parasites, insects 6. Plasmodium vivax-malaria 7. Toxoplasma-toxoplasmosis
   3. Rhizopoda

      Anotações:

      • 1. Amoebas 2. Amoeboid movement by pseudopods 3. Obtain food by phagocytosis 4. Live in freshwater, marine 5. Cause amoeboid dysentery 6. Fecal contamination 7. Amoeba proteus
   4. Ciliophora

      Anotações:

      • 1. Posess cilia 2. Micronucleus, macronucleus 3. Paramecium 4. Presence of gullet/cytostome 5. Live in freshwater, marine 6. Balantidium coli
4. Characteristics

   Anotações:

   • 1. Large eukaryotes 2. No chlorophyll 3. Lack cell wall 4. Lack fruiting body 5. Unicellular 6. Parasitic, pathogenic 7. Aerobic, anaerobic chemoheterotrophs 8. Colourless, motile 9. Sexual and asexual reproduction 10. Found in water and soil

1. Characteristics

   Anotações:

   • 1. Simple aquatic plants 2. Eukaryotic + chlorophyll and pigments 3. Lack of vascular conducting system 4. Simple reproductive structure 5. Photoautotrophic 6. Unicellular/in colonies 7. Simple/complex filaments 8. Macroscopic 9. Free-floating phytoplankton 10. Attached to rocks/bottom of sea
2. Habitat

   Anotações:

   • 1. Freshwater, marine, brackish 2. Moist soils, fish tanks, pools 3. Few in dry soils 4. Acidic habitat
3. Cell walls

   Anotações:

   • 1. Cellulose fibrils modified by addition of polysaccharide 2. Strengthened by calcium carbonate 3. Sometimes chitin/silica 4. No cell wall
4. Motility

   Anotações:

   • 1. Single flagella-Euglena 2. 2/4 polar flagella-Chlorophyta 3. 2 flagella/different length & point of insertion-Dinoflagellates 4. Not motile in vegetative stage 5. Form motile gametes only during sexual reproduction
5. Distribution

   Anotações:

   • 1. Aquatic:- a) Planktonic-suspended in aqueous environment b) Benthic-attached & living on the bottom of water c) Neustonic- at water-atmosphere interface 2. Terrestrial-moist rocks, trees, soil Endosymbionts in protozoa, worms, coral, fungi
6. Reproduction

   Anotações:

   • 1. Asexual 2. Sexual - Fragmentation, Spores, Binary fission
7. Ecology

   Anotações:

   • 1. Seaweed 2. Human food 3. Secondary products:- a) Alginic acid from brown algae b) Carrageenan from red algae c)  Other applications 4. Macroscopic form 5. Primary producers of the ocean
8. Taxonomy
   1. Chlorophyta

      Anotações:

      • 1. Green algae 2. Cellulose cell walls 3. Unicellular/multicellular 4. Chlorophyll a and b 5. Store glucose polymer 6. Gave rise to terrestrial plants
   2. Rhodophyta

      Anotações:

      • 1. Reddish 2. Delicately branched thalli 3. Chlorophylls a and d, phycocyanin, phycoerythrin 4. Red pigment absorb blue light 5. Multicellular 6. Cellulose/agar cell wall 7. Sexual reproduction 8. Storage material-glucose polymer 9. marine habitant
   3. Euglenophyta

      Anotações:

      • 1. Green 2. Unicellular 3. Chlorophylls a and b, carotene 4. Heterotrophic-spontaneously lost chlorophyll 5. No cell wall 6. Rigid plasma membrane-pellicle 7. No sexual reproduction 8. Storage material-glucose polymer 9. Freshwater, marine habitants
   4. Pyrrophyta(Dinoflagellate)

      Anotações:

      • 1. Brownish 2. Unicellular plankton 3. 2 flagella in perpendicular opposing grooves 4. Produce neurotoxins 5. Cause red tides 6. Chlorophylls a and c 7. Cellulose cell wall 8. Storage material-starch 9. Freshwater, marine habitants
   5. Chrysophyta(Diatoms-Bacillariophyta)

      Anotações:

      • 1. Golden brown 2. Produce domoic acid-domoic acid intoxication 3. Chlorophylls a and c 4. Unicellular 5. Peptin and silica cell wall 6. Sexual reproduction 7. Storage material-oil 8. Fresh water, marine, soil habitants 9. Important in global carbon cycling
   6. Phaeophyta

      Anotações:

      • 1. Brownish 2. Macroscopic 3. Chlorophylls a and c, xanthophylls 4. Multicellular 5. Cellulose/algin cell wall 6. Sexual reproduction 7. Storage material-carbohydrate 8. Marine habitant

Anotações:

• Difficult to define

1. Characteristics

   Anotações:

   • 1. Resemble fungi in appearance and lifestyle 2. Different in cellular organization, reproduction, lifecycles
2. Myxomycota(Plasmodial/acellular)

   Anotações:

   • 1. Glistening, viscous masses of slime 2. Saprophytes 3. Multinucleated 4. Motile amoeboid mass(plasmodium) 5. Lack cell wall 6. Phagocytosized dead material
3. Peronosporomycetes(Water)

   Anotações:

   • 1. Diploid 'egg fungi' (oomycetes/oomycota) 2. No chitin in cell wall 3. Grow in cottony masses on dead algae 4. Parasites of fish gills 5. Plant diseases-blue mold or Irish potato blight 6. Sexual reproduction 7. Decomposers in aquatic ecosystems
4. Acrasiomycota(Cellular)

   Anotações:

   • 1. Unicellular amoeboid cells 2. Feed phagocytically 3. Plentiful of food 4. Divide by mitosis, cytokinesis
5. Distribution

   Anotações:

   • 1. Moist terrestrial habitats-soil, decaying wood, dung
6. Functions

   Anotações:

   • 1. Engulf bacteria 2. Decomposer, producer 3. Recycle nutrients 4. Cause disease in plants