The Protists Flashcards
The Protists
single euekrytic organism that are photosythnic or hertertopic
most diverse kingdom in eukaryotic
they can either be small or large, stationary or mobile and aquatic or terrestrial
Plasmodium
most common protita parasite in humans
single celled protist
mosquites carry plasmodium (does not effect them), but when thye bite humans, the protist/malaria will go in
it will feed off the host
Giardia lamblia
common pararsite that can give giardia or beaver fever
found in water, exppaliy near beaver dams
causues pain, dihhera and gut inflamation
Porphyra
imporant protists to humans
speices of poryhya make seweed, toothpaste, cosmetics and paints/colourings
Trichomonas vaginali
one of the most common sexually transmitted diseases
Both men and women can become infected with this parasite but asymptomatic in men (carriers)
Symptoms are itching and burning sensations (treated with antibotics)
Why are Protists Important?
play a role in aquatic environments
- perform photosynthesis (producers)
-consumers support macrosopic food pyramids (amerba)
teressical enviorments
- found lots in soil but no roles have been found
The Origin of Protists
first eukaryotic
nucleus was found from internal folding of membrane
mitochondria and chloroplasts devolped from endosymbiosis of prokaryotic cells
Endosymbiosis is when one type of cell is taken in and lives within another cell (gain something from eachother)
Classification of Protists
any eukaryotic cells that dont fit into plant, animal or fungi, it just gets placed in protista (leftover)
This is why they are so diverse
it is conversial doe sthey dont have traits in common, they only lack traits
Protist Characteristics
Animal like: Amebo (single celled)- hertrotipic, redoprudtion
Plant like: Algea (root system)- photosynthesis
Fungus like: Slime moulds (cell wall does not have kiten)- heterotopic/sapertopic (leech off nurtients)
Protist Characteristics parts
Celia-hair like
Flagella- tail for swimming
Pseudopes- extension of membrane
