LIST SIMILARITIES AND DIFFERENCES OF THESE MICROORGANISMS

INSTRUCTIONAL OBJECTIVES 1. Classify the various protozoans.

2. Identify their means of locomotion.

3. Describe how the protozoans move.

COPY NOTES AND GUESS AIM All of the organisms are unicellular, microscopic called

protozoans Protozoans live in a variety of habitats in bottom sediments,

along substrate surfaces and within the water column PROTOZOANS are CLASSIFIED in kingdom Protista and

phylum protozoa The protozoa are divided into 3 classes based on their means

of locomotion: 1. ciliates 2. ameboids 3. flagellates GUESS THE AIM????

AIM: HOW CAN WE CLASSIFY THE PROTOZOANS?

ACTIVITY SHEET- label diagrams

GROUP ACTIVITY: WRITE ON BOARD, draw and classify kingdom, phylum, class and an example

Each group answer the key question: HOW DO PROTOZOANS MOVE ABOUT?

A. CILIATES B. FLAGELLATES C. AMEBAS

group draw classify Method of movement

ciliatesflagellatesameboids

HOW DO PROTOZOANS MOVE ABOUT? CILIATES-beating of CILIA(microscopic hairs) in unison FLAGELLATES-have 2 whiplike tails called FLAGELLA

to move AMEBAS-live on surface of substrates and move by

means of a cytoplasmic extension(called ameboid movement) into extensions of their cell called PSEUDOPODS(false feet)

SUMMARY The protozoans are grouped into 3 different classes,

based on their means of locomotion. These are the ciliates, the flagellates and the ameboids. Protozoa include marine and freshwater species.

SUMMARY EXIT QUIZ 1.True or false. Correct for full credit This organism is an ameba.

2. Describe the different structures used in movement in the euglena, dinoflagellate and paramecium.

3. Which organism uses pseudopods or cytoplasmic extensions to move and ingest food. A. ameba B. paramecium C. diatom

D. Euglena E. Noctiluca