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So what do Bacteria have?
Cell membrane DNA (a circular strand) Ribosomes Cell Wall
They may have… Flagella (for motion) Pilli (attach to a food source) Endospores (protection in harsh conditions)
Cell Wall
Determines what type of antibiotic will work 2 types
Gram negative Gram positive
Cell Wall Cell Wall
KingdomARCHAEBACTERIA4 - CHEMOTROPHS and THERMOPHILES
Live in Harsh Conditions.
Thought to be similar to first life forms on earth
Achaeoglobus -83 degress celsius
KingdomEUBACTERIA -”Normal” bacteria- Bacteria that we
encounter everyday 3 types (identified by shape)
COCCI, roundBACILLI, rodSPIRALLI - spiral
KingdomPROTISTA- Very Diverse!
EUKARYOTES & DIRECT MULTICELLULAR DESCENDANTS
ALGAE (photosynthesis) PROTOZOANS (eat and consume) SLIME/WATER MOLD (absorb
nutrients) Basically any living eukaryotic cell
that isn’t animal, plant or fungi
DISEASE
• Malaria• Complex Life Cycle
• Mosquitoes (Anopheles) to humans
• Malaria ruptures red blood cells
– Quinine kills malaria (Tonic water has it)
• Giardia• Beaver Fever!
• Diarrhea (mild to severe)
DISEASE
• Toxoplasmosis (Toxoplasma gondii)• Cat eats dead rat• Protozoa comes out of cat feces• Handling cat feces transfers it to humans (don’t
play with cat poop)• Fever, kills cells; not fatal
• Pregnant women can have fetuses that get brain damage
Protist are great!
1. Diatomaceous Earth- Natural Insect Killer
2. Sushi wrappings
3. Soup
4. Ice cream thickener
5. Kelp- I know you love kelp!
KingdomFungiHyphae
Made of long filaments:
one cell thick
MyceliumTangled mass of hyphae
DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY
Fungi Energy Source
Get nutrition from other organismsRelease digestive
enzymes that break down substances- then they absorb nutrients
JOHN WRIGHT / SCIENCE PHOTO LIBRARY
Friend or Foe
Help plants absorb nutrients (Mycorrhizae)
Mold
Antibiotics Athlete’s foot and Gangrene
Yeast (bread!) Poisonous
Food (Pizza!) Dry rot
What is a lichen?
Why is it important?
Read pages 508-510
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