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Mitochondria in protists originated froma. cyanobacteria.b. chloroplasts.c. anaerobic bacteria.d. aerobic bacteria.e. eukaryotic cells.
Through what process did eukaryotic cells gain chloroplasts and mitochondria?a. engulfmentb. endosymbiosisc. endocytosisd. phagocytosise. transformation
What feature of protists allow them to survive harsh environmental conditions?a. vegetative cellsb. planktonc. cystsd. plastidse. vacuoles
Which of these is a green alga?a. Volvoxb. Gelidiumc. Euglenad. Parameciume. Plasmodium
In Chlamydomonas, the adult vegetative cella. is haploid.b. survives harsh environments.c. produces zygospores.d. is dormant.e. is ciliated
In the life cycle of Ulva, which stage is diploid?a. sporeb. sporophytec. gameted. gametophyte
Kelp represent which type of protist?a. archaeplastidab. chromalveolatac. opisthokontad. excavatae. rhizaria
What is the main component of a diatom shell?a. agarb. peptidoglycanc. silicad. calcium carbonatee. paramylon
Dinoflagellatesa. usually reproduce sexually.b. have protective cellulose plates.c. are insignificant producers of food and oxygen.d. have cilia instead of flagella.e. tend to be larger than brown algae.
Ciliatesa. move by pseudopods.b. are not as varied as other protists.c. feed and move using cilia.d. do not divide by binary fission.e. are closely related to the radiolarians
Apicomplexans are responsible for which disease?a. vaginitisb. African sleeping sicknessc. red tided. Chagas diseasee. malaria
Protists that may lack mitochondria and possess deep oral grooves are known asa. excavates.b. apicomplexans.c. alveolates.d. amoeboids.e. ciliates.
Which genus of protists causes African sleeping sickness and Chagas disease?a. Plasmodiumb. Trypanosomac. Entamoebad. Trichomonase. Giardia
Plasmodial and cellular _____ are important decomposers that have an amoeboid vegetative state.a. brown algaeb. water moldsc. filamentous algaed. slime moldse. red algae
Skeletons called _____ are formed by rhizarians and can be used to date fossils.a. testsb. planktonc. cystsd. plastidse. valves