It’s a microbial world
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It’s a microbial world (And was and will be to the end)
description
It’s a microbial world. (And was and will be to the end). 3 Domains of life. ~4-6 x 10 30 cells ~350-550 Pg of C (1 Pg = 10 15 g) ~60% of all biomass. Indications of eukaryotic life. History of Earth. http://web.mit.edu/12a34/www/home.html. Seawater. Ice bacteria. - PowerPoint PPT Presentation
Transcript of It’s a microbial world
![Page 1: It’s a microbial world](https://reader033.fdocuments.net/reader033/viewer/2022052603/56816806550346895ddd8911/html5/thumbnails/1.jpg)
It’s a microbial world
(And was and will be to the end)
![Page 2: It’s a microbial world](https://reader033.fdocuments.net/reader033/viewer/2022052603/56816806550346895ddd8911/html5/thumbnails/2.jpg)
3 Domains of life
•~4-6 x 1030 cells
•~350-550 Pg of C (1 Pg = 1015 g)
•~60% of all biomass
![Page 3: It’s a microbial world](https://reader033.fdocuments.net/reader033/viewer/2022052603/56816806550346895ddd8911/html5/thumbnails/3.jpg)
History of Earth
http://web.mit.edu/12a34/www/home.html
Indications of eukaryotic life
![Page 4: It’s a microbial world](https://reader033.fdocuments.net/reader033/viewer/2022052603/56816806550346895ddd8911/html5/thumbnails/4.jpg)
Current debate
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Seawater
![Page 6: It’s a microbial world](https://reader033.fdocuments.net/reader033/viewer/2022052603/56816806550346895ddd8911/html5/thumbnails/6.jpg)
Ice bacteria
Ice images: Priscu research group, MSU
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Soil bacteria
![Page 8: It’s a microbial world](https://reader033.fdocuments.net/reader033/viewer/2022052603/56816806550346895ddd8911/html5/thumbnails/8.jpg)
Hydrothermal vents
http://www.cascadia.ctc.edu/facultyweb/instructors/jvanleer/
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Subsurface biosphere
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Space?
http://www.astronomie.de/vds/astronomietag-2003/alh84001.jpg
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Allen Hills Meteorite
http://www-curator.jsc.nasa.gov/antmet/marsmets/alh84001/images/ALH84001,0-saw.jpg
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What life is made of
http://micro.magnet.fsu.edu/cells/procaryotes/images/procaryote.jpg
CHNOPSUsed to make:
•Lipids
•Proteins
•RNA
•DNA