What are Protists?What are Protists?

ProtistsProtists are single or many-celled are single or many-celled organisms that live in moist or organisms that live in moist or wet surroundings. wet surroundings.

Some protists contain Some protists contain chlorophyllchlorophyll and make their own food, others and make their own food, others don’t.don’t.

Protists are Protists are plant-like, animal-plant-like, animal-like,like, and and fungus-like.fungus-like.

What are Algae?What are Algae?

AlgaeAlgae are plant-like protists that are plant-like protists that contain contain chlorophyllchlorophyll and can and can make their own food.make their own food.

NOT all algae are NOT all algae are GREENGREEN!!!!!!

EuglenaEuglena

EuglenaEuglena have characteristics of have characteristics of plants and animals. plants and animals.

They contain chloroplasts which They contain chloroplasts which can produce carbohydrates. can produce carbohydrates.

When no sunlight is available, When no sunlight is available, they consume other food.they consume other food.

They move using a whip-like tail They move using a whip-like tail called a FLAGELLA.called a FLAGELLA.

Euglena DiagramsEuglena Diagrams

DiatomsDiatoms

DiatomsDiatoms are golden brown aglae are golden brown aglae that store food in the form of oil.that store food in the form of oil.

They reproduce in extremely They reproduce in extremely large numbers and have a large numbers and have a variety of shapes.variety of shapes.

SpirogyraSpirogyra

Spirogyra Spirogyra is a chain-like algae is a chain-like algae that has spiral shaped that has spiral shaped chloroplasts.chloroplasts.

VolvoxVolvox

VolvoxVolvox is ball-shaped and lives in is ball-shaped and lives in colonies. colonies.

The colony rolls through the The colony rolls through the water using flagella.water using flagella.

Animal-like Protists:Animal-like Protists:

Flagellates: Flagellates: have flagella have flagella Ciliates: Ciliates: have cilia have cilia Pseudopods: Pseudopods: have foot-like have foot-like

extensionsextensions

CiliatesCiliates

CiliatesCiliates move using short, move using short, threadlike structures that threadlike structures that surround the body.surround the body.

Example: Example: Paramecium.Paramecium.

PseudopodsPseudopods

PseudopodPseudopod means “false foot.” means “false foot.” Pseudopods are foot-like Pseudopods are foot-like

extensions that the organism extensions that the organism uses to move and trap food.uses to move and trap food.

Example: Example: AmoebaAmoeba

Pond WaterPond WaterWhat can we identify?What can we identify?

Pond Water Lab Pond Water Lab TomorrowTomorrow

What do you think we will see?What do you think we will see?