Protist Quiz - Examples and Characteristics

Diplomonads example

Giardia intestinalis

Diplomonads characteristics

Mitosomes

Parabasalids example

Trichomonas vaginalis

Parabasalids characteristics

Hydrogenosomes

Euglenazoans

Rod with spiral or crystalline shape

Pred. heterotrophs, autotrophs, mixotrophs, or parasites

Kinetoplastids example

Trypanosoma

Kinetoplastids characteristics

Surface protein switch

Kinetoplast

Euglenids example

Euglena

Euglenids characteristics

Phototaxis

Flagella pocket

Some mixotrophs

Brown algae characteristics

alternations of generations

multicellular

analogous structure to plants

seaweeds

Largest and most complex algae

Golden algae example

Dinobryon

Golden algae characteristics

form cysts

some colonial

2 flagella at same end

contain carotenoids

Diatoms characteristics

important in biological pump

among most abundant photosynthesizers

can withstand tremendous amounts of pressure

frustules of silica dioxide

Alveolates characteristics

contains alveoli

Ciliates characteristics

reproduce through binary fission

sexual conjugation (exchange of micronuclei)

contain micronucleus and macronucleus

use cilia for locomotion

Apicomplexans example

Plasmodium

Apicomplexans characteristics

apicoplast

complex of organelles for penetration of host tissue

mostly parasites

Dinoflagellates example

Zooxanthellae

Dinoflagellates characteristics

red tides

2 flagella in grooves

cellulose plates

Rhizarians

amoebas with thread-like pseudopodia

Cercozoans example

Chlorarachniophytes

Cercozoans characteristics

important consumer of bacteria

Foraminiferans characteristics

important in sediments

indicators of climate change

90% of species known from fossils

Radiolarians characteristics

pseudopodia radiate from central body

skeletons of silica

Archaeplastida

Monophyletic group descended from the ancient protist that engulfed cyanobacterium

Red algae

no flagellated gametes

alternation of generations

seaweeds

multicellular

contain phycoerythrin

Green algae characteristics

charophytes

chlorophytes

closest relative of land plants

Amoebazoans characteristics

lobe or tube shaped pseudopodia

Slime molds

bright, large

resemble fungi

utilize fruiting bodies

Tubulinids example

Amoeba proteus

Tubulinids characteristics

heterotrophs

some feed on detritus

Entamoebas characteristics

parasites

infect all classes of vertebrates

Choanoflagellates characteristics

more closely related to animals than to other protists

Nucleariids characteristics

more closely related to fungi than to other protists