Bacteria = Prokaryotes

Archaebacteria Live in extreme habitats What does archae- mean?

Methanogens

Halophiles-salt-loving

Thermoacidophiles

Some live in deep sea vents!

Eubacteria “germs” Live in warm, moist places These are the critters that make you sick 

Eubacteria can be identified using shape, texture, color, and Gram Stains

Gram Positive Stains

Gram Negative Stain

Reproduce Asexually using Binary Fission

Reproduce Sexually using Conjugation

Some bacteria form endospores for “bad times”

Disease Transmission Symptoms Treatment Strep Throat Inhale or ingest Fever, sore throat, swollen neck glands antibiotic Tuberculosis (TB) Inhale Fatigue, fever, night sweats, weight loss Tetanus Puncture wound Stiff jaw, muscle spasms, paralysis Antibiotic, give antitoxin Lyme Disease Bite of infected tick Bull’s Eye rash, chills, aches Diphtheria Inhale, close contact Sore throat, fever, breathing failure Vaccination to prevent, antibiotic

Bacteria are Good!  Help plants fix nitrogen Decomposers Make food and medicines Clean up oil spills

Streptococcus

Lyme Disease