Biodiversity - Archaea Flashcards

1
Q

what do Archaea have

A

nucleoid region but lack organelles

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2
Q

Archaea are called

A

anaerobic organisms since they don’t require oxygen to live

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3
Q

how do Archaea obtain energy

A

do not perform photosynthesis. get energy from inorganic molecules or the sun

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4
Q

3 types of archaea

A

methanogens, halophiles, thermoacidophiles

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5
Q

methanogens

A

methane producing, live in oxygen free environments

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6
Q

Where are methanogens found?

A

marshes, sewage treatment plants, and in intestines of grass eating animals like cows

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7
Q

halophiles

A

“salt-loving” archaea that live in environments that have very high salt concentrations. Example the dead sea which has 35% salt compared to an ocean with 3.5%

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8
Q

thermoacidophiles

A

Live in extremely acidic and high temperature environments. example hot sulfur springs, volcanoes, deep sea vents and mine drainage lakes

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