Prokaryotes (archea) Flashcards
First form of life to have evolved, archaea lived more than _ years ago
3.5 billion
Unlike bacteria, archaea cannot form _
Spores
Some are _
Extremophiles
Some archaea don’t need _ to survive
Oxygen
Methanobrevibacter are very short rods or _
Coccobacilli
Methanobrevibacter are anaerobic and found in _ of animals and humans
Digestive system
Methanospirillum shape _
Rod or bacilli
Methanospirillum occur in marine and terrestrial animals and also _ (2)
Plants
Soil
Some Methanospirillum are _ some are _
Aerobic
Anaerobic
Pyrodictium are disc shaped and held together by hollow tubes called _
Cannulae
Pyrodictium are thermophiles and found in _
Deep ocean hydrothermal vents
Methanococcus shape
Spherical or coccoid
Methanococcus are _ preferring moderate temps
Mesophiles
Methanococcus found close to _
Deep-ocean hydrothermal vents