Exploring Thermophilic Organisms and the Origin of Life
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Questions and Answers

Which organism is known for maintaining extreme polyploidy throughout its life?

  • Aquifex pyrophilus
  • Pyrudictum occultum
  • Aquifex aeolicus
  • Epulopiscium spp. (correct)
  • Which group of microorganisms is best adapted to various extreme conditions?

  • Algae
  • Protozoa
  • Bacteria
  • Archaea (correct)
  • Which microorganism is known to grow at the highest recorded temperature?

  • Cyanobacteria
  • Methanopyrus kandleri (correct)
  • Fungi
  • Picrophilus
  • Which group of microorganisms is often found in solfataric fields in association with volcanoes?

    <p>Hyperthermophiles</p> Signup and view all the answers

    Which category of extremophiles requires extreme conditions in order to grow?

    <p>Extremophilic</p> Signup and view all the answers

    Which microorganism is known for its cell wall-less nature in acidic environments?

    <p>Ferroplasma acidiphilum</p> Signup and view all the answers

    Which group of microorganisms is known for its ability to live in hypersaline environments?

    <p>Halophilic Archaea</p> Signup and view all the answers

    Which category of extremophiles can tolerate extreme values of physiochemical parameters but grow optimally at 'normal' conditions?

    <p>Extremotolerant</p> Signup and view all the answers

    Which group of microorganisms includes the most acidophilic organisms currently known?

    <p>Archaea</p> Signup and view all the answers

    Which group of microorganisms is known for its production of large amounts of methane?

    <p>Methanogens</p> Signup and view all the answers

    Which group of microorganisms often forms microbial mats with other bacteria and can thrive in various extreme conditions?

    <p>Bacteria</p> Signup and view all the answers

    Which microorganism is known for its ability to participate in obligate or facultative symbioses with a wide variety of eukaryotic hosts?

    <p>Nitrogen-fixing bacteria</p> Signup and view all the answers

    Which domain of microorganisms is the main group to thrive in extreme environments?

    <p>Archaea</p> Signup and view all the answers

    Which microorganism is known for its ability to solubilize and extract metals from ores?

    <p>Ferroplasma</p> Signup and view all the answers

    Which phylum is known for being primarily phototrophic and utilizing sulfur compounds, iron, or hydrogen as electron donors?

    <p>Phylum Chlorobi</p> Signup and view all the answers

    Which phylum contains pathogenic members such as Salmonella, E.coli, and Vibrio?

    <p>Phylum Proteobacteria</p> Signup and view all the answers

    Which phylum is known for containing filamentous anoxygenic phototrophs and exhibits gliding motility?

    <p>Phylum Chloroflexi</p> Signup and view all the answers

    Which phylum is known for being primarily phototrophic and having type 1 and type 2 reaction centers?

    <p>Phylum Cyanobacteria</p> Signup and view all the answers

    Which phylum is known for containing obligate anaerobes and being capable of both photoheterotrophic and chemoheterotrophic growth?

    <p>Phylum Firmicutes</p> Signup and view all the answers

    Which phylum is the 6th known phylum to carry out photosynthesis, with recent discovery of Chloracidoacterium thermophilum?

    <p>Phylum Acidobacteria</p> Signup and view all the answers

    Which phylum contains several families of extreme thermophiles found in either marine or terrestrial hydrothermal features?

    <p>Phylum Aquificae</p> Signup and view all the answers

    Which group of organisms contains flagellated, unicellular organisms that have two nuclei and mitosomes?

    <p>Diplomonads</p> Signup and view all the answers

    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?

    <p>Parabasalids</p> Signup and view all the answers

    Which group of organisms includes flagellated protists, some of which are free-living, symbiotic, or parasitic?

    <p>Euglenozoans</p> Signup and view all the answers

    Which group of organisms contains organisms that have sacs in the cytoplasmic membrane called alveoli?

    <p>Alveolates</p> Signup and view all the answers

    Which group of organisms has tubular cristae in their mitochondria and heterokont flagella at some point in their life cycle?

    <p>Stramenophiles</p> Signup and view all the answers

    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?

    <p>Diatoms</p> Signup and view all the answers

    Which group of organisms includes amoeboid, flagellate, or both organisms, with the majority being heterotrophic amoebae?

    <p>Cercozoans</p> Signup and view all the answers

    Which group of organisms possess thread-like pseudopodia?

    <p>Radiolarians</p> Signup and view all the answers

    Which group of fungi produce motile spores and are causing massive, global amphibian die-offs?

    <p>Chytridiomycota</p> Signup and view all the answers

    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?

    <p>Archaea</p> Signup and view all the answers

    Which phylum is known for containing organisms that are primarily phototrophic and can utilize sulfur compounds, iron, or hydrogen as electron donors?

    <p>Algae</p> Signup and view all the answers

    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?

    <p>Bacteria</p> Signup and view all the answers

    Which group of microorganisms is best adapted to live in hypersaline environments?

    <p>Archaea</p> Signup and view all the answers

    Which phylum contains several families of extreme thermophiles found in hydrothermal features?

    <p>Bacteria</p> Signup and view all the answers

    Which group of microorganisms contains flagellated, unicellular organisms that have two nuclei and mitosomes?

    <p>Protozoa</p> Signup and view all the answers

    Which microorganism is known for its ability to solubilize and extract metals from ores?

    <p>Bacteria</p> Signup and view all the answers

    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?

    <p>Fungi</p> Signup and view all the answers

    Which phylum contains primarily phototrophic microorganisms that utilize sulfur compounds, iron, or hydrogen as electron donors for photosynthesis?

    <p>Chloroflexi</p> Signup and view all the answers

    Which group of microorganisms includes the most acidophilic organisms currently known?

    <p>Bacteria</p> Signup and view all the answers

    Which group of microorganisms is often found in solfataric fields in association with volcanoes?

    <p>Archaea</p> Signup and view all the answers

    Which phylum contains pathogenic members such as Salmonella, E.coli, and Vibrio?

    <p>Proteobacteria</p> Signup and view all the answers

    Which group of microorganisms is known for its production of large amounts of methane?

    <p>Archaea</p> Signup and view all the answers

    Which phylum is known for being primarily phototrophic and having type 1 and type 2 reaction centers?

    <p>Cyanobacteria</p> Signup and view all the answers

    Which group of microorganisms is known for its production of large amounts of methane?

    <p>Haloquadratum walsbyi</p> Signup and view all the answers

    Which group of organisms includes amoeboid, flagellate, or both organisms, with the majority being heterotrophic amoebae?

    <p>Amoebozoa</p> Signup and view all the answers

    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?

    <p>Diatoms</p> Signup and view all the answers

    Which group of organisms has tubular cristae in their mitochondria and heterokont flagella at some point in their life cycle?

    <p>Stramenophiles</p> Signup and view all the answers

    Which group of organisms contains flagellated, unicellular organisms that have two nuclei and mitosomes?

    <p>Diplomonads</p> Signup and view all the answers

    Which group of microorganisms is known for its ability to live in hypersaline environments?

    <p>Haloquadratum walsbyi</p> Signup and view all the answers

    Which microorganism is known to grow at the highest recorded temperature?

    <p>Haloquadratum walsbyi</p> Signup and view all the answers

    Which group of microorganisms is known for its ability to solubilize and extract metals from ores?

    <p>Zygomycetous fungi</p> Signup and view all the answers

    Which group of microorganisms is known for its cell wall-less nature in acidic environments?

    <p>Amoebozoa</p> Signup and view all the answers

    Which group of microorganisms is known for its ability to live in hypersaline environments?

    <p>Halophilic Archaea</p> Signup and view all the answers

    Which microorganism is known for its ability to solubilize and extract metals from ores?

    <p>Ferroplasma</p> Signup and view all the answers

    Which organism is known for maintaining extreme polyploidy throughout its life?

    <p>Epulopiscium spp.</p> Signup and view all the answers

    Which phylum is the 6th known phylum to carry out photosynthesis, with recent discovery of Chloracidobacterium thermophilum?

    <p>Chloroflexi</p> Signup and view all the answers

    Which group of microorganisms often forms microbial mats with other bacteria and can thrive in various extreme conditions?

    <p>Aquificae</p> Signup and view all the answers

    Which group of microorganisms is known for its production of large amounts of methane?

    <p>Methanogens</p> Signup and view all the answers

    Which microorganism is known for its cell wall-less nature in acidic environments?

    <p>Ferroplasma</p> Signup and view all the answers

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