Single-Celled Organisms

(*The ones we are looking at are found in freshwater

ponds/streams)

Mrs. LeMay

EUGLENA• Eyespot: sensory organ (red in color)• Flagellum: whip-like tail for movement

• Contractile Vacuole: Remove excess water• Nucleus: controls activities of Euglena

• Chloroplasts: green captures sunlight energy to make food (Photosynthesis)

• Cell membrane: Outer layer that allows movement in and out

Real Pictures!

• http://micro.magnet.fsu.edu/moviegallery/pondscum/protozoa/euglena/rostrifera/t1/rostrifera06.html

Amoeba• Nucleus: Controls Amoeba activity

• Pseudopodia: “False foot” sent out for movement. Used also to engulf food.

• Cell Membrane: Outer layer that allows items in and out of amoeba

• Contractile Vacuole: part of cell that removes excess water from the amoeba.

• Food Vacuole: part of cell that stores food.

AMOEBA

REAL PICTURES

http://micro.magnet.fsu.edu/moviegallery/pondscum/protozoa/amoeba/56k/amoeba05.html

http://www.juggernart.com/games/free-online-skill-games/amoeba.html

Paramecium• Cilia: Hair-like structures for movement

• Gullet: area where found is collected

• Oral Groove: Opening for taking in food

• Food Vacuole: food storage sac

• Contractile Vacuole: removes excess water

Paramecium

REAL PICTURES

http://micro.magnet.fsu.edu/moviegallery/pondscum/protozoa/paramecium/28k/paramecium08.html

VOLVOX

• Eyespot: detects light• Nucleus: controls activities• Cell Membrane: allows items in and out cell• Chloroplasts: for Photosynthesis

• Flagella: whip-like tail for movement

• Cytoplasm: gel like substace

• LIVES IN A COLONY of over 50,000 cells

VOLVOX

REAL PICTURES!

http://www.gettyimages.com.au/detail/video/light-micrography-of-volvox-colonies-stock-video-footage/137195624

TIME for….

PROTOZOAN HUMOR!!

http://4.bp.blogspot.com/-zG0sT0Z_j9M/TupfoW0tWaI/AAAAAAAAAG4/EUMAveOxBdU/s1600/Cartoon3.jpg

YOUR TURN!!!