Chapter 20 - The Protists Flashcards
All flagellated protozoans _____________.
a. lack mitochondria
b. are photosynthetic
c. live as single cells
d. cause disease
c. live as single cells
Deposits of shells from ancient ____________ are mined as chalk and limestone.
a. dinoflagellates
b. diatoms
c. radiolarians
d. foraminiferans
d. foraminiferans
The presence of a contractile vacuole indicates that a single-celled protist ____________.
a. is marine
b. lives in fresh water
c. is photosynthetic
d. secrets a toxin
b. lives in fresh water
Cattle benefit when _______ in their gut help them digest plant material.
a. trypanosomes
b. diatoms
c. ciliates
d. both a and b
d. both a and b
An insect bite can transmitted disease–causing __________ to a human host.
a. trypanosome
b. apicomplexan
c. ciliate
d. both a and b
d. both a and b
_________ are the closest protistan relatives of the fungi and animals.
a. Stramenopiles
b. Radiolarians
c. Apicomplexans
d. Amoebozoans
d. Amoebozoans
Accessory pigments of _________ allow them to carry out photosynthesis at greater depths than other algae.
a. euglenoids
b. green algae
c. brown algae
d. red algae
d. red algae
The _______ are important plant pathogens.
a. dinoflagellates
b. ciliates
c. water molds
d. slime molds
c. water molds
Silica-rich shells of ancient diatoms are the source of diatomaceous earth that can be used _____________.
a. to thicken foods
b. as a gelatin substitute
c. as a fertilizer
d. as an insecticide
d. as an insecticide
The sporophyte of a multicellular algae _______.
a. is haploid
b. is a single cell
c. produces spores
d. produces gametes
c. produces spores
Where would you find a cellular slime mold?
a. on the forest floor
b. in a tropical sea
c. in an animal gut
d. in a mountain lake
a. on the forest floor
The organism that causes the sexually transmitted disease trichomoniasis is a ___________.
a. flagellated protozoan
b. radiolarian
c. ciliate
d. apicomplexan
a. flagellated protozoan
All green algae ____________.
a. have a cell wall
b. are marine
c. are multicellular
d. all of the above
a. have a cell wall
Match each item with its description.
\_\_\_ diplomonad \_\_\_ apicomplexan \_\_\_ trypanosome \_\_\_ diatom \_\_\_ brown algae \_\_\_ red algae \_\_\_ green algae \_\_\_ amoeba
a. cause of leishmaniasis
b. silica-shelled producer
c. unwalled cell with pseudopods
d. anaerobic, no mitochondria
e. closest relative of land plants
f. multicelled, with fucoxanthin
g. cause of malaria
h. deep dweller with phycobilins
Match each item with its description.
(d) diplomonad
(g) apicomplexan
(a) trypanosome
(b) diatom
(f) brown algae
(h) red algae
(e) green algae
(c) amoeba
a. cause of leishmaniasis
b. silica-shelled producer
c. unwalled cell with pseudopods
d. anaerobic, no mitochondria
e. closest relative of land plants
f. multicelled, with fucoxanthin
g. cause of malaria
h. deep dweller with phycobilins
