60 Questions
Which organism is known for maintaining extreme polyploidy throughout its life?
Epulopiscium spp.
Which group of microorganisms is best adapted to various extreme conditions?
Archaea
Which microorganism is known to grow at the highest recorded temperature?
Methanopyrus kandleri
Which group of microorganisms is often found in solfataric fields in association with volcanoes?
Hyperthermophiles
Which category of extremophiles requires extreme conditions in order to grow?
Extremophilic
Which microorganism is known for its cell wall-less nature in acidic environments?
Ferroplasma acidiphilum
Which group of microorganisms is known for its ability to live in hypersaline environments?
Halophilic Archaea
Which category of extremophiles can tolerate extreme values of physiochemical parameters but grow optimally at 'normal' conditions?
Extremotolerant
Which group of microorganisms includes the most acidophilic organisms currently known?
Archaea
Which group of microorganisms is known for its production of large amounts of methane?
Methanogens
Which group of microorganisms often forms microbial mats with other bacteria and can thrive in various extreme conditions?
Bacteria
Which microorganism is known for its ability to participate in obligate or facultative symbioses with a wide variety of eukaryotic hosts?
Nitrogen-fixing bacteria
Which domain of microorganisms is the main group to thrive in extreme environments?
Archaea
Which microorganism is known for its ability to solubilize and extract metals from ores?
Ferroplasma
Which phylum is known for being primarily phototrophic and utilizing sulfur compounds, iron, or hydrogen as electron donors?
Phylum Chlorobi
Which phylum contains pathogenic members such as Salmonella, E.coli, and Vibrio?
Phylum Proteobacteria
Which phylum is known for containing filamentous anoxygenic phototrophs and exhibits gliding motility?
Phylum Chloroflexi
Which phylum is known for being primarily phototrophic and having type 1 and type 2 reaction centers?
Phylum Cyanobacteria
Which phylum is known for containing obligate anaerobes and being capable of both photoheterotrophic and chemoheterotrophic growth?
Phylum Firmicutes
Which phylum is the 6th known phylum to carry out photosynthesis, with recent discovery of Chloracidoacterium thermophilum?
Phylum Acidobacteria
Which phylum contains several families of extreme thermophiles found in either marine or terrestrial hydrothermal features?
Phylum Aquificae
Which group of organisms contains flagellated, unicellular organisms that have two nuclei and mitosomes?
Diplomonads
What is the name of the organisms that contain parabasal bodies, which give structural support to the Golgi complex, and hydrogenosomes, which produce ATP through fermentation reactions?
Parabasalids
Which group of organisms includes flagellated protists, some of which are free-living, symbiotic, or parasitic?
Euglenozoans
Which group of organisms contains organisms that have sacs in the cytoplasmic membrane called alveoli?
Alveolates
Which group of organisms has tubular cristae in their mitochondria and heterokont flagella at some point in their life cycle?
Stramenophiles
Which group of organisms has an external silica structure (frustule) that is resistant to decay and forms an important part of the geologic record as fossils?
Diatoms
Which group of organisms includes amoeboid, flagellate, or both organisms, with the majority being heterotrophic amoebae?
Cercozoans
Which group of organisms possess thread-like pseudopodia?
Radiolarians
Which group of fungi produce motile spores and are causing massive, global amphibian die-offs?
Chytridiomycota
Which group of microorganisms is known for its ability to survive in extreme environments such as high temperatures, acidic pH values, and high salt concentrations?
Archaea
Which phylum is known for containing organisms that are primarily phototrophic and can utilize sulfur compounds, iron, or hydrogen as electron donors?
Algae
Which group of microorganisms often forms microbial mats with other bacteria and can thrive in various extreme conditions such as Antarctic ice and continental hot springs?
Bacteria
Which group of microorganisms is best adapted to live in hypersaline environments?
Archaea
Which phylum contains several families of extreme thermophiles found in hydrothermal features?
Bacteria
Which group of microorganisms contains flagellated, unicellular organisms that have two nuclei and mitosomes?
Protozoa
Which microorganism is known for its ability to solubilize and extract metals from ores?
Bacteria
Which group of microorganisms is known for its ability to live in extreme environments such as acidic and metal-enriched waters, alkaline conditions, hot and cold deserts, and hypersaline regions?
Fungi
Which phylum contains primarily phototrophic microorganisms that utilize sulfur compounds, iron, or hydrogen as electron donors for photosynthesis?
Chloroflexi
Which group of microorganisms includes the most acidophilic organisms currently known?
Bacteria
Which group of microorganisms is often found in solfataric fields in association with volcanoes?
Archaea
Which phylum contains pathogenic members such as Salmonella, E.coli, and Vibrio?
Proteobacteria
Which group of microorganisms is known for its production of large amounts of methane?
Archaea
Which phylum is known for being primarily phototrophic and having type 1 and type 2 reaction centers?
Cyanobacteria
Which group of microorganisms is known for its production of large amounts of methane?
Haloquadratum walsbyi
Which group of organisms includes amoeboid, flagellate, or both organisms, with the majority being heterotrophic amoebae?
Amoebozoa
Which group of organisms has an external silica structure (frustule) that is resistant to decay and forms an important part of the geologic record as fossils?
Diatoms
Which group of organisms has tubular cristae in their mitochondria and heterokont flagella at some point in their life cycle?
Stramenophiles
Which group of organisms contains flagellated, unicellular organisms that have two nuclei and mitosomes?
Diplomonads
Which group of microorganisms is known for its ability to live in hypersaline environments?
Haloquadratum walsbyi
Which microorganism is known to grow at the highest recorded temperature?
Haloquadratum walsbyi
Which group of microorganisms is known for its ability to solubilize and extract metals from ores?
Zygomycetous fungi
Which group of microorganisms is known for its cell wall-less nature in acidic environments?
Amoebozoa
Which group of microorganisms is known for its ability to live in hypersaline environments?
Halophilic Archaea
Which microorganism is known for its ability to solubilize and extract metals from ores?
Ferroplasma
Which organism is known for maintaining extreme polyploidy throughout its life?
Epulopiscium spp.
Which phylum is the 6th known phylum to carry out photosynthesis, with recent discovery of Chloracidobacterium thermophilum?
Chloroflexi
Which group of microorganisms often forms microbial mats with other bacteria and can thrive in various extreme conditions?
Aquificae
Which group of microorganisms is known for its production of large amounts of methane?
Methanogens
Which microorganism is known for its cell wall-less nature in acidic environments?
Ferroplasma
Test your knowledge of thermophilic organisms and their potential role in the origin of life with this quiz. Explore the fascinating world of Aquifex aeolicus and Aquifex pyrophilus, and learn how their lifestyle and use of hydrogen can provide insights into early Earth environments. Discover the significance of nitrogen-fixing bacteria in symbiotic relationships. Challenge yourself and expand your understanding of early life on our planet!
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