all protists

a. use flagella to move

b. move toward light

c. have a true nucleus

d. are parasites

pseudopodia and cilia: locomotion structures::

a. dino and zoo: ciliates

b. food and contractile: vacuoles in Paramecia

c. cilia and pellicle: nuclei in amoebas

d. nucleus and gullet: eyespots in euglenoids

you have been given an unknown organism to identify. you find it is unicellular and has mitochondria. which of the following must it also have?

a. chloroplasts

b. nucleus

c. one or more flagella

d. pseudopodia

pseudopodia are used for

a. conjugation

b. reproduction

c. movement

d. mitosis

the process in which two paramecia come together after meiosis to exchange parts of their genetic material is called

a. pollination

b. replication

c. mitosis

d. conjugation

giardiasis is a disease that is spread

a. through water

b. through the air

c. by the anopheles mosquito

d. by direct contact

sleeping sickness is spread by

a. contaminated food

b. tsetse flies

c. mosquitoes

d. all of the above

which of the following are human diseases caused by protists

a. leishmaniasis

b. malaria

c. amebiasis

d. all of the above

giardiasis: contaminated water::

a. malaria: food contamination

b. amebiasis: giardiasis

c. malaria: mosquito

d. trichomoniasis: mosquito

the symptoms of malaria

a. follow a cycle

b. include severe chills and fever

c. include headache and fatigue

d. all of the above

the protist that causes malaria reproduces in the

a. red blood cells of a human

b. stinger of a mosquito

c. red blood cells of a mosquito

d. intestines of a human

the stage in the life of plasmodium that develops in mosquitoes and is injected into humans is called the

a. gametocyte

b. zoospore

c. sporophyte

d. sporozoite

diatomaceous earth is valuable because it

a. can be used as a source of petroleum

b. produces much of the earth's oxygen

c. can be used to produce detergents, paint removers and toothpaste

d. provides nutrients for many aquatic organisms

which of the following isn't an environmental role of protists

a. they produce large amts of atmospheric oxygen

b. photosynthetic protists are the base of many food webs

c. they form important symbiotic relationships with other organisms

d.they form large amts of cellulose

algal blooms are caused by

a. low nutrient concentrations

b. large numbers of fish

c. low water temp

d. high nutrient concentrations

 algae are

a. autotrophic protists

b. usually deep in oceans

c. always unicellular

d. all of the above

algae are

a. found in both fresh and salt water

b. only in fresh water

c. sometimes anaerobic

d. always microscopic

green algae and plants

a. both have photosynthetic pigments

b. both use starch to store food

c.both have cell walls

d. all of the above

which of the following types of algae are most like plants

a. colonial algae

b. filamentous algae

c. unicellular algae

d. multicellular algae

although algae are relatively unspecialized, they may have structures specialized for

a. reproduction

b. anchoring to the ocean bottom

c. movement

d. all of the above

which of the following isn't a characteristic used to classify algae

a. type of pigments

b. form of food storage

c. habitat

d. composition of cell wall

green algae: chlorophylls a and b::

a. brown algae: euglenoids

b. red algae: pigments similar to those in diatoms

c. red algae: phycobilins

d. brown algae: phycobilins

which of the following is not a characteristic of they phylum chlorophyta

a. cell walls made of cellulose

b. presence of chlorophylls a and b

c. only unicellular forms

d. food stored as starch

the algal phylum most essential to the production of photosynthetic products and oxygen for earth's heterotrophs is the phylum

a. bacillariophyta

b. phaeophyta

c. euglenophyta

d. dinoflagellata

dinoflagellates: flagella::

a. ciliates: pseudopodia

b. amoebas: pseudopodia

c. apicomplexans: flagella

d. amoebas: flagella

euglena is an example of a protist that

a. swims away from light

b. is only a parasitic heterotroph

c. is both autotrophic and heterotrophic

d. is always autotrophic

a mass of cytoplasm that can ooze around obstacles is most likely a

a. fruiting body

b. water mold

c. slime mold

d. all of the above

which of the following environments would slime molds most likely exist

a. on the leaves of a plant

b. on the surface of a pond

c. deep in the soil

d. on the floor of a forest

the feeding stage of a plasmodial slime mold can be described as

a. haploid

b. unicellular

c. multicellular

d. multinucleate

a pseudoplasmodium is a ______ of a _______ slime mold

a. feeding stage structure; cellular

b. offspring; cellular

c. feeding stage structure; plasmodial

d. offspring; plasmodial