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Ch 19 Protists
Able/Brown flashcards
22
Biology
9th Grade
03/11/2008

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Term
Protists
Definition
single celled eukaryotes that are classified by the way they move.
Term
Protozoans
Definition
heterotrophic protist
Term
Amoebas
Definition
use pseudopods to move around and engulf food and live in fresh and salt water. Some of these are parasitic in mammals and cause amoebic dysentery.
Term
Flagellates
Definition
Phylum Zoomatigina, they have one or more large flagella. many are free living, some are parasitic to mammals.
Term
Giardia
Definition
a flagellate that is a parasite and blocks the absorption of nutrients in the intestines.
Term
Paramecium
Definition
a Ciliate that lives in all water environments. A few are parasitic. Humans can get one of these from pigs.
Term
Sporozoa
Definition
Parasites that can't move on their own. The form spores for reproduction
Term
vector
Definition
the thing that spreads parasites. It could be water, air, animals or other things.
Term
Plasmodium
Definition
the cause of Malaria and has the mosquito as a vector.
Term
Plasmodium
Definition
the cause of Malaria and has the mosquito as a vector.
Term
Toxoplasmosis
Definition
a Sporozoan that many pets carry that can cause birth defects in unborn babies.
Term
Algea
Definition
photosythetic protists including diatoms and dinoflagellates
Term
Euglena
Definition
protists with both plant and animal characteristics. They have chlorophyll for photosythesis, but can ingest food when light is not present. They also have a flagella for mobility.
Term
diatoms
Definition
found in fresh and salt water. they have silicon shells and store food as oils instead of starch which makes them float.
Term
Dinoflagellates
Definition
Thick cellulose plates and found in salt water. They have 2 flagella for movement.
Term
Bioluminescent
Definition
some dinoflagellates that glow at night. Noctiluca
Term
Red tide
Definition
when dinoflagellates produce strong toxins that kills fish in the ocean and can kill people who eat shell fish who have been infected with the critters.
Term
Brown seaweed
Definition
produce the large kelp forest in the ocean off California.
Term
Cholorphyta
Definition
Green Algea found mostly in fesh water. They can be single celled, multicellular or in colonies.
Term
Fungus-like Protist
Definition
Slime molds, water molds, and mildews. they feed bysecreting enzymes like fungi.
Term
Slime molds
Definition
grows on organic matter like fallen leaves and rotting wood
Term
Irish Potato Famine of 1845
Definition
crop failure due to mildews.
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