Biology Ch. 15


4 Characteristics of Protists


Live wherever there is waterAll are eukaryoticCan be either unicellular or multicellularBroken into groups based on how they obtain nutrition


Animal-like portists

A. Sporozoans
B. Protozoans
C. algae


protozoans


Move by extending lobes of cytoplasm

A. Sarcodina
B. Zooflagellates
C. Ciliates
D. Sporozoans


sarcodina


Example of a sarcodina

A. paramecium
B. trichonympha
C. plasmodium
D. amoeba


amoeba


Have one or more flagella for movement

A. Sarcodina
B. Zooflagellates
C. Ciliates
D. Sporozoans


zooflagellates


Example of a zooflagellate

A. paramecium
B. trichonympha
C. plasmodium
D. amoeba


trichonympha


Move by tiny hair-like structures called cilia

A. Sarcodina
B. Zooflagellates
C. Ciliates
D. Sporozoans


ciliates


Example of a ciliate

A. paramecium
B. trichonympha
C. plasmodium
D. amoeba


paramecium


Parasitic and lack structures for movement

A. Sarcodina
B. Zooflagellates
C. Ciliates
D. Sporozoans


sporozoans


Example of a sporozoan

A. paramecium
B. trichonympha
C. plasmodium
D. amoeba


plasmodium


Live in the gut of termites and help digest the wood

A. trichonympha
B. Trypanosoma
C. Plasmodium


trichonympha


Infects both mosquitoes and humans; causes malaria

A. paramecium
B. trichonympha
C. plasmodium
D. amoeba


plasmodium


Plant-like protists

A. Protozoans
B. Algae
C. Euglenoids


algae


Have thick cell walls made up of cellulose plates

A. diatoms
B. dinoflagellates
C. Euglenoids


dinoflagellates


Population explosion of red pigmented dinoflagellates

A. Red tides
B. diatoms
C. euglenoids


Red tides


Have glass-like cell walls containing silica

A. Red tides
B. diatoms
C. euglenoids


diatoms


Resemble both algae and protozoans; make their own food and move with a flagella

A. red tides
B. diatoms
C. euglenoids


euglenoids


Classified by color

A. multicellular algae
B. unicellular algae


multicellular algae


Live in deep water, movt live in warm tropical saltwater habitats

A. green algae
B. brown algae
C. red algae


red algae


Grow mostly in cooler saltwater along rocky coasts

A. green algae
B. brown algae
C. red algae


brown algae


Largest of all algae, have air bladders that cause leaf portion to float

A. euglenoid
B. kelp
C. colony


kelp


Stucture that "anchors" kelp to the bottom

A. colony
B. bladders
C. holdfasts


holdfasts


Life cycle that alternates between diploid and haploid generations

A. Alternation of generations
B. budding
C. fission


alternation of generations


Group of cells that live together in close association

A. colony
B. kelp
C. holdfasts


colony


Example of a colony

A. volvox
B. euglenoid
C. kelp


volvox


Fungus-like protists

A. protozoans
B. algae
C. molds


molds


The feeding stage of slime mold

A. plasmodium
B. kelp
C. water mold


plasmodium


Decomposers in freshwater systems; some attack injured skin or gill tissue of fish

A. plasmodium
B. kelp
C. water mold