Download PROTISTS

PROTISTS
DOMAIN
KINGDOM
PHYLUM
CLASS
ORDER
FAMILY
GENUS
SPECIES
Kingdom Protista
Does your family have a drawer at home where
you keep "stuff"? That drawer might include a
flashlight, tape measure, spare keys, rubber
bands, or extra stamps. These objects have little
in common except that they are kept in the same
drawer for convenience. Biologists have a sort of
taxonomic "stuff" drawer: the kingdom Protista.
Protista is a very diverse kingdom of organisms
that do not fit neatly into any of the other
kingdoms.
Protist Characteristics
Eukaryotic (have a nuclear membrane)
Very diverse kingdom
Most are unicellular
Free-living (not parasites)
Protist cells are the most complex cell
– ** NOT specialized for 1 function**
Kingdom Protista
Grouping Protists by nutrition
3 Major categories:
1) animal-like (protozoans)
2) fungus-like
3) plant like = algae
Grouping Protists by nutrition
1) animal-like (Protozoans)
*heterotrophs: get energy & organic molecules by
eating…
bacteria
other protists
decaying matter
* found mostly in aquatic environments
* Grouped by motility
Zooflagelletes
Move by flagella
Giardia
Amoeba with Pseudopods
Have pseudopods
Amoeba
Ciliated Paramecium
Small hair-like cilia
Paramecium
Apicomplexans
No movement (they
are parasites)
Plasmodium- causes
malaria
Grouping Protists by nutrition
3 Major categories:
2) fungus-like
3) plant like = algae
Grouping Protists by nutrition
2) fungus-like
heterotrophic…….get food & energy by decomposing
DEAD organic matter
NOT to be confused with fungi, though they are similar
Grouping Protists by nutrition
2) fungus-like
Major types:
plasmodial slime molds
water molds/ downy mildews
Grouping Protists by nutrition
3 Major categories:
3) plant like = algae
Grouping Protists by nutrition
3) plant like = algae
autotrophs…….chloroplasts harness sunlight to make
food (carbohydrates)
unicellular, colonial, OR multicellular
Grouping Protists by nutrition
3) plant like = make own food
TYPES:
euglenoids- flagella, chloroplast, eyespot, no cell wall
- live in fresh water
Grouping Protists by nutrition
3) plant like = make own food
TYPES:
Dinoflagellates- 2 flagella, spin, cell wall
- plankton, red tide
- bioluminescence
Grouping Protists by nutrition
3) plant like = make own food
TYPES:
Diatoms- glass-like cell wall (silica)
- chlorophyll
- diatomaceous earth
Grouping Protists by nutrition
3) plant like = make own food
TYPES:
Seaweed- large, multicellular marine algae
- NOT plants (lack true roots, stems, leaves)
- foods, used to thicken foods
1) BROWN ALGAE (kelp)
2) RED ALGAE
3) GREEN ALGAE