Vocabulary
microscopic prokaryotes
bacteria/bacterium
3 shapes of bacteria
round/sphere, rod, spiral
Bacterium are eukaryotes.
false
period of no growth
dormant/dormancy
define extremophile
those who love extreme
when a bacterial cell divides into 2 identical cells
fission/binary fission
E.coli bacteria is ______ shaped.
rod
Archaea has a cell wall.
true
the cause of genetic variation
conjugation
define asexual reproduction
reproducing without a partner
whiplike structure for movement
flagella/flagellum
Is bacteria living or nonliving?
living
Archaea are prokaryotes.
true
Name some environments archaea can live in.
extreme environments (hot springs & salt lakes)
bacteria that can survive without oxygen
anaerobic bacteria
the combination of genetic material from 2 bacteria
conjugation
What's the purpose of endospore formation?
to protect bacterium from harsh/extreme environments
Archaea ribosomes look closely like eukaryotes ribosomes.
true
List the 1 main difference between prokaryotes and eukaryotes.
prokaryotes don't have a nucleus or membrane bound organelles but eukaryotes DO
list 3 ways bacteria can move
by flagella, pili, or twisting
a thick internal wall around the dna
endospore
feeding off dead organisms, making their own food, feeding off living host
Bacteria use photosynthesis.
false
What does archaea have that no other organism has?
molecules in their plasma membrane
Why is fission asexual reproduction?
there is no egg and sperm joining together/ offspring are identical to parent