Zusammenfassung der Ressource
THE PROTIST MIND MAP
- Distribution
Anmerkungen:
- free living
moist habitats
chemoorganotrophic formsterrestrial and planktonic forms
parasitic forms
- Nutrition
Anmerkungen:
- 1.Chemoheterotrophic
-saprophyte
-osmotrophy
-holozoic nutrition
2.Photoautotrophic
3.Mixotrophic
- Morphology
Anmerkungen:
- 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
- Reproduction
Anmerkungen:
- Asexual through binary fission
Sexual through gamete fusion
- Protozoa
- Diversity
Anmerkungen:
- 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
- Nutrition
Anmerkungen:
- 1. Aerobic, anaerobic
2. Photosynthesis
3. Obtain food through ingestion, pinocytosis, phagocytosis, absorption
- Major Group
- Archaezoa
Anmerkungen:
- 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
- Apicomplexa
Anmerkungen:
- 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
- Rhizopoda
Anmerkungen:
- 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
- Ciliophora
Anmerkungen:
- 1. Posess cilia
2. Micronucleus, macronucleus
3. Paramecium
4. Presence of gullet/cytostome
5. Live in freshwater, marine
6. Balantidium coli
- Characteristics
Anmerkungen:
- 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
- Algae
- Characteristics
Anmerkungen:
- 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
- Habitat
Anmerkungen:
- 1. Freshwater, marine, brackish
2. Moist soils, fish tanks, pools
3. Few in dry soils
4. Acidic habitat
- Cell walls
Anmerkungen:
- 1. Cellulose fibrils modified by addition of polysaccharide
2. Strengthened by calcium carbonate
3. Sometimes chitin/silica
4. No cell wall
- Motility
Anmerkungen:
- 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
- Distribution
Anmerkungen:
- 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
- Reproduction
Anmerkungen:
- 1. Asexual
2. Sexual - Fragmentation, Spores, Binary fission
- Ecology
Anmerkungen:
- 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
- Taxonomy
- Chlorophyta
Anmerkungen:
- 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
- Rhodophyta
Anmerkungen:
- 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
- Euglenophyta
Anmerkungen:
- 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
- Pyrrophyta(Dinoflagellate)
Anmerkungen:
- 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
- Chrysophyta(Diatoms-Bacillariophyta)
Anmerkungen:
- 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
- Phaeophyta
Anmerkungen:
- 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
- Taxonomy
Anmerkungen:
- Slime Molds
- Characteristics
Anmerkungen:
- 1. Resemble fungi in appearance and lifestyle
2. Different in cellular organization, reproduction, lifecycles
- Myxomycota(Plasmodial/acellular)
Anmerkungen:
- 1. Glistening, viscous masses of slime
2. Saprophytes
3. Multinucleated
4. Motile amoeboid mass(plasmodium)
5. Lack cell wall
6. Phagocytosized dead material
- Peronosporomycetes(Water)
Anmerkungen:
- 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
- Acrasiomycota(Cellular)
Anmerkungen:
- 1. Unicellular amoeboid cells
2. Feed phagocytically
3. Plentiful of food
4. Divide by mitosis, cytokinesis
- Distribution
Anmerkungen:
- 1. Moist terrestrial habitats-soil, decaying wood, dung
- Functions
Anmerkungen:
- 1. Engulf bacteria
2. Decomposer, producer
3. Recycle nutrients
4. Cause disease in plants