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Prokaryote vs. Eukaryote
Prokaryote vs. Eukaryote - DNA
Reproduction
Domain Bacteria
Kingdom Eubacteria
Individual morphology
- shapes -
Rod shaped bacteria
(Escheria coli )
E. coli on food
Spherical bacteria – “cocci”
Botox bacteria
Helical bacteria
Ecological importance
Breakdown of detritous
Parasites on other aquatic
organisms
Bacteria and plants
Cyanobacteria
Root nodules on a legume
Domain Bacteria
Kingdom Eubacteria
Archaea
Until the 1970s this group of microbes was classified as bacteria.
EXTREMOPHILES
Sulfolobus is an
extremophile that is
found in hot springs
and thrives in acidic
and sulphur-rich
environments.
Methanosarcina
rumen is anaerobic,
and is found in places
with little or no
oxygen. It is a
methane- producing
organism that digests
decaying organic
matter. It is found in
the rumen of a group
of animals called
ruminants such as
cattle and sheep.
Staphylothermus marinus is an extremophile found in deep ocean hydrothermal
vents, thriving on volcanic sulphur and surviving in water temperatures of up to
98°C.
Halococcus salifodinae is found in water with high concentrations of
salt. These high salt concentrations would be deadly to most other
forms of life, and so H. salifodinae is also known as an extremophile.
Colorful "salt-loving" Archaea thrive in
these ponds near San Francisco.
Used for commercial salt production, the
ponds contain water that is five to six times
as salty as seawater.
Methanococ
coides
burtonii is
an
extremophil
e and was
discovered
in 1992 in
Ace Lake,
Antarctica,
and can
survive in
temperature
s as low as
-2.5 °C.
Domain Archaea
Kingdom Archaebacteria