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Protists
General Information
40
Biology
8th Grade
01/05/2009

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Term
What domain do they belong to?
Definition
Eukarya
Term
Prtotists have cells that have what?
Definition
Nuclei
Term
How would you describe the surroundings in which protists live?
Definition
Moist
Term
What kind of cells do most protists have?
Definition
Unicellular
Term
Name the 3 categories of protists
Definition

Animal-like protists

Fungus-Like protists

Plant-like protists

Term
Are animal-like protists heterotrophs or autotrophs?
Definition
Heterotrophs
Term
What is another name for animal-like protists?
Definition
Protozoans
Term
Are animal-like protists mostly unicellular or multicellular?
Definition
Unicellular
Term
Amoebas have what to help stop them from bursting because it collects excess water?
Definition
Contractile vacuole
Term
What does Pseudopod mean?
Definition
False Foot
Term
What are protozoans with pseudopods called?
Definition
Sarcodines
Term
What are the hair-like structures on some protozoans called?
Definition
Cilia
Term
What are protozoans with cilia called?
Definition
Ciliate
Term
What 3 things are the cilia used for?
Definition
Move, sense the environment, obtain food
Term
What are flagella?
Definition
Whip-like arms that help them move
Term
What are protozoans that have flagellas called?
Definition
Zooflagellates
Term
What is it called when two organisms live in a close relationship and atleast one of the species benefits?
Definition
Symbiosis
Term
When two organisms live in a close relationship and both benefit what is it called?
Definition
Mutualism
Term
When the cell membranes of Pseudopods push outward and form a bulge, what flows into the bulge?
Definition
Cytoplasm
Term
What does the large nucleus of the ciliate do?
Definition
Controls everyday tasks
Term
What does the small nucleus of the ciliate do?
Definition
Functions in reproduction
Term
What is it called when two organisms live in a close relationship and one of the organisms harms its host?
Definition
A parasite
Term
What are protozoans that feed on cells and body fluids of their hosts?
Definition
Sporozoans
Term
Are most fungus-like protists heterotrophs or autotrophs?
Definition
Heterotrophs
Term
Like plants, what do the cells of fungus-like protists have?
Definition
Cell walls
Term
How do fungus-like protists reproduce?
Definition
Spores
Term
How are fungus-like protists different than fungus?
Definition
They are able to move at some point in their life
Term
Name 3 kinds of fungus-like protists.
Definition
Water mold, Downy Mildew, Slime Mold
Term
What are plant-like protists called?
Definition
Algae
Term
Algae produces what for the Earth's atmosphere?
Definition
Oxygen
Term
What are the chemicals that produce colors called?
Definition
Pigments
Term
When algae lives in large groups it is said that they live in what?
Definition
Colonies
Term
What part of the algae anchors it to the rocks?
Definition
Holdfasts
Term
Like plants, are most algae autotrophs or heterotrophs?
Definition
Autotrophs
Term
Under what conditions do euglenoids act like heterotrophs?
Definition
When sunlight is not available
Term
What part of the algae supports the blades?
Definition
Stalks
Term
What are the gas-filled sacs that allow algae to float upright in water?
Definition
Bladders
Term
What are the most common colors of algae?
Definition
Green, red and brown but also yellow, orange and black
Term
What is the red pigment of red algae especially good for?
Definition
Good at absorbing small amounts of light
Term
What do we call unicellular protists with glasslike cell walls?
Definition
Diatoms
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