Protist NOTESProtist NOTES

All protists are All protists are ____________________Which means their cells Which means their cells have a have a ________________

Protists are often Protists are often classified by the way they classified by the way they __________________________..

eukaryotic

nucleus

obtain energy

The groups includeThe groups include

Fungus likePlant likeAnimal like

Fungus like ProtistsFungus like Protists Are Are __________________ that secrete that secrete

________ ______________ ______ into the food into the food source and then absorb the source and then absorb the __________________________________

The two types of funguslike The two types of funguslike protists includeprotists include________________________________________

consumers

digestivejuice

s nutrients

Slime MoldWater Mold

Slime MoldsSlime Molds

Are thin masses of Are thin masses of ________________________.. Live in Live in ____, _____, __________, _____, ______ places in places in

the woods and in fresh water.the woods and in fresh water. Eat Eat _______, ______ _______, ______ , and small bits , and small bits

of of ________________ plant and plant and _____ matter. matter.

living matterco

olshad

ymois

tbacte

riayeast

decaying

animal

A slime mold will continue A slime mold will continue to grow as long as to grow as long as __________ and and ____________ are available. are available.

When growth conditions When growth conditions are unfavorable slime are unfavorable slime molds will develop molds will develop ________________. .

foodwate

r

spores

Water MoldsWater Molds

Live in Live in water, moist soilwater, moist soil or or other other organismsorganisms. .

Parasites invade the body of Parasites invade the body of another organism to obtain another organism to obtain the the nutrientsnutrients they need. they need.

HostHost

The organism a parasite The organism a parasite invades is called a invades is called a host.host.

*Hosts can be living *Hosts can be living plants, animals, algae, plants, animals, algae, or fungi.or fungi.

PLANTLIKE ProtistsPLANTLIKE ProtistsAre also known as Are also known as algae.algae.Phytoplankton are Phytoplankton are producersproducers

that provide food for most that provide food for most other water-dwelling other water-dwelling organisms.organisms.

The plantlike protists are The plantlike protists are divided into phyla based on divided into phyla based on their their colorcolor and and cell structure.cell structure.

Types of algaeTypes of algae

**Most of the world’s Most of the world’s seaweedsseaweeds are RED ALGAE. are RED ALGAE.

Red algae lives mainly in Red algae lives mainly in tropical marinetropical marine water. water.

Brown AlgaeBrown Algae

Is found in Is found in coolcool climates.climates.

Green algae is the most Green algae is the most diverse diverse group of plantlike group of plantlike protists.protists.

Individual cells of some Individual cells of some species of green algae live in species of green algae live in groups called colonies of groups called colonies of Volvox.Volvox.

DIATOMSDIATOMS

Are Are singlesingle-celled organisms.-celled organisms.Are found in both Are found in both salt salt and and freshfresh water. water.

Are used in Are used in silver polish, silver polish, toothpaste, filters and toothpaste, filters and insulation. insulation.

Animal like protistsAnimal like protists

AmoebaAmoeba--move using a move using a pseudopodpseudopod or or false footfalse foot

Animal like protistsAnimal like protists

ParameciParameciumum-move -move using using ciliacilia (tiny hair (tiny hair like like structures) structures)

Animal like protistsAnimal like protists

EuglenaEuglena--move using move using flagellaflagella (whip-like (whip-like tail)tail)

DinoflagellatesDinoflagellates

Have two whiplike strands Have two whiplike strands called called flagellaflagella..

When shell fish eat When shell fish eat dinoflagellates the poison is dinoflagellates the poison is concentratedconcentrated in their bodies in their bodies then they are then they are toxictoxic to to humans who eat them.humans who eat them.

EuglenoidsEuglenoids

Have characteristics of both Have characteristics of both plantsplants and and animalsanimals..

Some euglenoids do Some euglenoids do notnot have have chloroplasts therefore they chloroplasts therefore they consume other small consume other small protistsprotists or absorb or absorb dissolved dissolved nutrientsnutrients. .