Unicellular and Multicellular Organisms

1

• Unicellular and Multicellular Organisms

2
Unicellular Organisms

• Unicellular organism are one celled living
  things.
• Algae are one celled organisms that contain
  chlorophyll, and live on or near the surface.
• Algae produce most of the O2 that we breathe.
• Algae are microscopic and can not be seen by the
  naked eye.
• The most common forms of Algae are
• Diatoms- make their own food (photosynthesis)
• Dinoflagellates- can both make their own food and
  get food from other sources

3
Diatoms and Dinoflagellates
4
Multicellular Algae

• Seaweed are the most common form of multicellular
  algae.
• There are three types of Seaweed
• Red
• Brown
• Green
• Seaweed has leaves for photosynthesis, stems for
  transport, and roots for absorbing water.
• Seaweeds are vascular plants.
• There are many species of seaweed and each has
  its own special adaptation for survival.

5
Seaweeds
6
Summary

• Algae produces most of the oxygen that we
  breathe.
• Multicellular algae, or seaweed, is classified in
  three colors red, green, and brown.
• Unicellular Algae is broken down into two groups
  Diatoms and Dinoflagellates.
• All of these organisms have special and unique
  adaptations that enable them to survive their
  environments.
• Plankton is a combination of uni and
  multicellular algae and forms the basis of all
  life in the ocean.

7
Lets go to the Video!