SCSC 301 Exam 2 Questions With Complete Solutions

What are the 3 domains of life? correct answer: Archaea, Bacteria, Eukarya What is a soil micro biome? correct answer: A representation of all 3 domains of life ie. microbial community Which domain of life is being described: - Methanogens - Extremophiles - Oldest known organisms correct answer: ARCHAEA Which domain of life is being described: - Cyanobacteria (photosynthetic, O2) - Eubacteria (true) - Abundant and diverse correct answer: BACTERIA Which domain of life is being described: - Protista - Fungi - Plantae - Animalia correct answer: EUKARYA What are the 3 other classification schemes? correct answer: Functional Classification Sources of Carbon and Energy Trophic level What are the ways functions can be defined? correct answer: Detroitivores Fungivore Saphrotroph Predatory Prey How do Earthworms impact soil processes? correct answer: Nutrient cycling & fertility Soil structure Aeration Login degradation is performed by ______ but recent evidence highlights the importance of ________ for functional redundancy. correct answer: white-rot fungi bacteria Inorganic Carbon compounds have the prefix ______ while Organic Carbon compounds have the prefix _______ correct answer: Inorganic = auto- Organic = hetero- Energy sources from light have the prefix ______ while energy sources from chemical compounds have the prefix ________. correct answer: Light = photo Chemical = chemo- - Plants, algae, cyanobacteria - Photosynthetic green sulfur and purple sulfur bacteria Which Metabolic group is described? a. chemoautotrophs b. photoautotrophs c. photoheterotrophs d. chemoheterotrophs correct answer: b. photoautotrophs - hydrogen, sulfur and nitrifying bacteria Which Metabolic group is described? a. chemoautotrophs b. photoautotrophs c. photoheterotrophs d. chemoheterotrophs correct answer: a. chemoautotrophs - green non sulfur and purple non sulfur bacteria Which Metabolic group is described? a. chemoautotrophs b. photoautotrophs c. photoheterotrophs d. chemoheterotrophs correct answer: c. photoheterotrophs