Science IA- Protista
Terms
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- what does Protozoa mean?
- "first animal"
- Is it eukaryotic of prokaryotic?
- eukaryotic
- Is it Unicellular?
- yes
- Are they microscopic?
- yes
- What kind of organisms are they?
- plant and animal organisms
- What are the 5 kingdoms?
- Monera (bacteria), Protista (protozoa, algae), Fungi (molds), plants (not studied), animals (parasites).
- What are the structures of Protozoa?
- cilia, flagella, pseudopodia
- What are cilia?
- many small, hair-like projections for movement.
- What are flagella?
- one or a few long hair-like projections for movement.
- What does pseudopodia mean?
- "false feet"
- What are pseudopodia?
- projections of a cell that wraps around food similar to phagocytosis.
- What are the four phyla of the Protista Kingdom?
- Sarcodina, Mastigophora, Ciliophora, and Sporozoa.
- What are characteristics of the Sarcodina Phyla?
- amoeba type of protozoa that move by pseudopods. size is abou 1 millimeter in diameter. ex. amoeba
- What are the characteristics of the Sarcodina Phyla?
- the whip-like protozoa that move by flagella. ex. euglena, giardia
- What are the characteristics of the ciliophora Phyla?
- the ciliated protozoa ex. paramecium
- What are the characteristics of the Sporozoa Phyla?
- spore-forming protozoa that are usually parasites. ex. malaria
- What is amoebiasis caused by?
- a type of amoeba called Entaemocba histolytica.
- What is emoebasis spread by?
- contaminated food/water with human feces.
- Where does amoebiasis develop?
- in the small/large intestine causing ulcers and sharp pain in stomach.
- Where can amoebasis spread?
- liver, lungs, and blood.
- Where has amoebasis been found?
- immigrants from Mexico and Caribbean.
- What is Giardia caused by?
- flagellate called Giardia lamblia which has 4 pairs of flagella and 2 nuclei.
- Who first described giardia?
- Van Leeuwenhoek, when he was looking at samples of his stool.
- How is it transmitted?
- by water contaminated by feces (sewage) or wild animals (beaver fever).
- What happens with the cyst of this parasite?
- passes through the stomach into the intestinal tract causing severe cramps, flatulence, diarrhea, possible death.
- What is trichomonia?
- most common protozoal disease in the U.S.