1. Kingdom Protista
Unit 2 - Biodiversity

2. Kingdom Protista Eukaryotic Unicellular & Multicellular
Some with cell walls with cellulose, some without
Some autotrophic, some heterotrohpic
Mostly aquatic

3. Kingdom Protista
Eukaryotic (all members of this Kingdom have a nucleus and organelles bound with membranes)
Most Protists are unicellular, but there are many that are multicellular
Autotrophic, Heterotrophic, and some alternate.
Cell walls may or may not be present

4. Major Divisions Algae (Plant like protists)
Protozoans (Animal like protists)
Slime Molds (Fungus like protists)
Protists are thought to be the ancestors of the other 3 Eukaryotic Kingdoms (Plantae, Animalia, Fungi)

5. Algae – Plant Like Protists
Autotrophic
Do have cell walls
Most immobile (meaning they cannot move on their own)
Think about the stuff you would find in a dirty pool, or pond scum.

6. Protozoans – Animal Like Protists
Heterotrophic
NO cell walls
Most can move
Cilia
(hair like)
Flagella
(tail like)
Pseudopod
(false foot)
Immobile ones are parasites.

7. Slime Molds – Fungus-like Protists
Heterotrophic decomposers
Have cell walls, but not made of chitin
Produce spores

8. Protists and you
Contributions
Negative Aspects
Autotrophic protists primary component of phytoplankton
Carry our between % of the Earth’s photosynthesis
Phytoplankton and Zooplankton are the base of the world’s food chains.
Many cause disease
Malaria
African Sleeping Sickness
Amebic Dysentery
Cause Red-Tides/algae blooms