1. Protist and Fungi
You will be able to explain how protists and fungi are similar and different than other common microscopic organisms.

2. Prokaryote (Bacteria Cell)
Can Not See Nucleus
Much smaller than Eukaryote cells
No visible organelles
Contains DNA and RNA

3. Eukaryote Cells: Protists and Fungi
Much larger
Can See Nucleus (Brain of Cell) and organelles
Complex cell can do more than Prokayote
Has Specialized Functions in multi-cellular organisms
Contains DNA and RNA
DNA mainly in nucleus

4. Protist Characteristics
Much larger than bacteria and viruses
Made up of eukaryote cells—You can see nucleus and organelles (unlike prokaryote bacteria)
Most unicellular but some are multi-cellular ( certain algae )
Only found in moist environments (water)
Nucleus
Amoeba
Psuedopodia
Nucleus

5. Animal-Like (Protozoa)
Protozoans with Pseudopods (ex. Amoeba)
Protozoans with Cillia (ex. Paramecium)
Protozoans with Flagella
Protozoans that are Parasites. (ex. Malaria)

6. Protist 1: Ameoba Eukaryote- can See organelles and Nucleus
Move with Pseudopodia
Found in bottom in the sediment of most water systems
Engulfs food by surrounding it
Cause diseases in humans.
Pseudopodia
Nucleus

7. Protist 2: Paramecium Eukaryote- can see nucleus and organelles
Covered in cilia
Found in Water
Has 2 Nucleuses
Feeds on other protists (algae and Euglena)
Contracting Vacuole
Macronucleus
Micronucleus

8. Protist 3: Malaria Malaria video Is a parasitic amoeba
Spread through a vector: mosquitoes
In humans, the parasites attack the liver and can be deadly.
The spread of it can be controlled by use of mosquito nets.
Not common in the western world.
Malaria video

9. Plant-Like Protists
Plant-like protists are commonly called alage. They are grouped together because, like plants, they are all autotrophs.
Diatoms
Euglena
Dinoflagellates

10. Protist 4: Euglena Eukaryote- can see Nucleus and organelles
Is a mix of plant and animal type.
Found in water
Has long tail called flagellum
Has “eyespot” to detect light (Stigma)
Green color from chloroplasts

11. Protist 5: Volvox and Algae
Volvox (colony of algae cells)
Eukaryote- can See Nucleus and organelles
Green organelles called chloroplasts
Autotrophic-makes own food
Some live as colony (Volvox)
Some deadly release toxin known as the Red Tide
Red Tide

12. Algae Eukaryote organisms Not True Plants
Can be unicelled or multicellular
Produce up to 60% of the world’s oxygen

13. Fungus-Like Protists
Like fungi, fungi-like protists are heterotrophs, have cell walls, and use spores to reproduce.
Slime Mold
Downy Mold
Water Mold

14. Slime Molds
Slime mold is a broad term describing fungus-like organisms that use spores to reproduce
They are actually protists!
Slime molds were formerly classified as fungi
Their common name refers to part of what it looks like

15. Mold/Fungi Characteristics
Eukaryotes – can see nucleus and organelles
Have cell walls made of chitin (insect skeleton material)
Unable to make their own food so act as parasites: absorb food from other living/decaying things

16. Fungi Obtaining Food First fungi grow hyphae into a food source.
Then digestive chemicals ooze from the hyphae into the food, breaking it down into small substances that can be absorbed by the hyphae.

17. Fungi Reproduction
Fungi usually reproduce by making lightweight spores in reproductive structures called fruiting bodies. The spores can then be carried easily through the air or water to new sites.
Most fungi reproduce both sexually and asexually.

18. Fungi Reproduction
Asexual Reproduction: Cells at the tips of the hyphae can divide to form spores, which grow into fungi that are genetically identical to the parent.
Sexual Reproduction: Hyphae of two fungi can grow together and exchange genetic material, then grow a new spore producing structure.

19. Asexual Reproduction

20. Sexual Reproduction

22. Fungi role in nature Fungi are food Fungi are environmental recyclers
Fungi fight disease
Fungi cause disease
Fungi help plants grow

23. Example
Mushrooms
Athletes foot
Mold

24. Closing of Microlife How do we protect ourselves from these pathogens?
Virus
Bacteria
Protists
Mold/Fungi
What type of medicines work against them?
Vaccines
Antibiotics
Chlorine in water
Antifungal medicines

25. Preventing Spread of Disease
Active Immunity- your body is producing antibodies to fight it off. (Vaccine or prior exposure)
Passive Immunity- you are injected with antibodies from another organism to fight it off; allows time for your body to find and make antibodies before you become ill