PROTISTSPROTISTS

Figure 3-10Figure 3-10The Three Domains of LifeThe Three Domains of Life

PROTISTSPROTISTS

PROTOZOA (“first animal”)PROTOZOA (“first animal”)

FlagellatesFlagellates

Amoebas (move by pseudopods)Amoebas (move by pseudopods)

CiliatesCiliates

FlagellatesFlagellates

– Euglena (photoautotrophs: can make their Euglena (photoautotrophs: can make their own food)own food)

Plasma membrane (pellicle)Plasma membrane (pellicle)

FlagellumFlagellum

Eyespot Eyespot

ChloroplastsChloroplasts

NucleusNucleus

Euglena Euglena PelliclePellicle

FlagellumFlagellum

Eyespot Eyespot

ChloroplastsChloroplasts

NucleusNucleus

Euglena Euglena

Euglena Euglena

Euglena Euglena

EuglenaEuglena

Amoebas (move by pseudopods)Amoebas (move by pseudopods)

– Entamoeba histolyticaEntamoeba histolytica (the only pathogenic (the only pathogenic amoeba in human intestines)amoeba in human intestines)

PseudopodsPseudopods

NucleusNucleus

Food vacuoleFood vacuole

AmoebaAmoebaPseudopodsPseudopods

NucleusNucleus

Food vacuoleFood vacuole

Figure 3-11Figure 3-11AmoebaAmoeba, a Sarcodine, a Sarcodine

p

AmoebaAmoeba

AmoebaAmoeba

AmoebaAmoeba

AmoebaAmoeba

CiliatesCiliates

– Paramecium Paramecium

Plasma membrane (pellicle)Plasma membrane (pellicle)

CiliaCilia

NucleusNucleus

Paramecium, a ciliate

ParameciumParamecium

PelliclePellicle

CiliaCilia

NucleusNucleus

Figure 3-12Figure 3-12ParameciumParamecium bursaria, bursaria,

Ma C

Mi

ParameciumParamecium

ParameciumParamecium

Wet Mount Procedural DiagramWet Mount Procedural Diagram