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/p
ondscum/protozoa/euglena/rostrifera/t1/ro
strifera06.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/parameci
um08.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!!
YOUR TURN!!!