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!

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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

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

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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!

TIME for…. PROTOZOAN HUMOR!!

YOUR TURN!!!