FRESHWATER PLANKTON FRESHWATER PLANKTON FRESHWATER PLANKTON Freshwater plankton

FRESHWATER PLANKTON

FRESHWATER PLANKTON

FRESHWATER PLANKTON Freshwater plankton and marine plankton are similar in appearance, classification, and function. We will collect and study some freshwater plankton.

FRESHWATER PLANKTON Plankton are small organisms found in water. Usually are invertebrates. Usually float. Provide food for many animals. Indicators of health of system.

FRESHWATER PLANKTON Animal Plankton is generally known as ZOOPLANKTON. Plant Plankton is generally known as PHYTOPLANKTON.

MICROSCOPE COMPOUND MICROSCOPE Use for higher power 40 -100 X Good for: Bacteria Protists Cells

MICROSCOPE DISSECTING MICROSCOPE Use for lower power 10 -20 X Good for: Dissecting small things Invertebrates Flowers

LOOKING AT PLANKTON 1. 2. 3. 4. 5. 6. Put some of the pond water onto the well slide Get some pond water with algae but not too much Put a cover slip on slide Adjust the light Search the field-things will be moving-follow and try to identify Use other type of microscope

SOME COMMON PROTIST Protists are one-celled animals

SOME COMMON PROTIST Euglena Move with Flagella (flagellum)

SOME COMMON PROTIST Paramecium Move with cillia (cillium)

SOME COMMON PROTIST Amoeba Move with pseudopods (“false feet”)

SOME COMMON PROTIST Vorticella Cillia on “springs”

SOME COMMON PROTIST Stentor Large funnel with cillia

SOME COMMON PROTIST Volvox Ball of Colonial Cells Photosynthetic

SOME COMMON PROTIST Spirogyra A common type of pond algae with the chlorophyll arranged like a corkscrew.