Archaebacteria vs Eubacteria 02/23/2012 pages 107-108 Know: What roles does bacteria play in human lives?

Archaebacteria vs Eubacteria Characteristics: Unicellular, prokaryotes, autotrophs and heterotrophs Most can’t move Resemble early life forms Characteristics: Unicellular, prokaryotes, autotrophs and heterotrophs Most are beneficial Some harmful--Strept throat, food poison

Archaebacteria vs Eubacteria Habitat: Extreme environments: Acidic,no oxygen, Hot Springs Habitat: Everywhere EXCEPT extreme areas– skin bacteria

Archaebacteria vs Eubacteria Food: Some capture sunlight (photosynthesis), others decaying material Ex. Meat or milk Food: Same as archaebacteria, some use hydrogen or methane (chemosynthesis) Ex. Coal mine methane gas

Archaebacteria vs Eubacteria Impact: Responsible for earth’s natural gas Impact: Nature’s recyclers– returns basic chemicals to the environment

Archaebacteria vs Eubacteria Cool Facts: Some live inside humans Used to clean up oil spills Existed on earth for billions of years Cool Facts: Turns cucumbers into pickles Some very good to eat-- cheese and yogurt Decomposers--- turn dead organisms into soil

Archaebacteria vs Eubacteria Common Features: Both come in various shapes and sizes: Rods Spirals Spherical

Archaebacteria vs Eubacteria Common Features: Some have flagellum (whip) for movement

Archaebacteria vs Eubacteria Common Features: Reproduction: 1. Asexual: divides into 2 identical cells 2. Sexual: 2 parents combine DNA to form new cell 3. Conjugation: Transfer DNA through thread-like structure .

Summary and Evidence Write your summary Glue in the chart (from your teacher) for evidence