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WGU D311 Section 2 Study Guide Complete With Solutions
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WGU D311 Section 2 Study Guide Complete With Solutions
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WGU D311 Section 2 Study Guide Complete WithSolutions
What are common bacterial habitats? Right Ans - Water environments, soil
environments and animals
Examples of water environments? Right Ans - Photosynthetic
Cyanobacteria = convert carbon dioxide to oxygen
vibrio fisheri= light organs of marine life
Example of soil environment Right Ans - Actinomycetes = gives dirt it's
smell
Rhizobia= convert nitrogen and phosphorus into forms that plants can absorb
Example of animal habitats Right Ans - Termites= breakdown cellulose of
wood
Ruminococcus= cows digest cellulose from plants that they eat
What is a microbiome? Right Ans - Microorganisms that normally on or
with us (body)
What is extremophile? Right Ans - An organism that lives in a very extreme
environments where others can't live
Habitat for thermophiles Right Ans - Bacteria that lives in high temps
Habitat for psychrophiles Right Ans - Bacteria that live in extremely cold
conditions
Where is Rhizosphere found? Right Ans - In soil around plant root
Examples of benefits that bacteria provide Right Ans - Cyanobacteria fix
carbon and produce O2
, Rhizobia grow in legume (peanuts and soy beans) roots to keep nitrogen gas
and fix it for plants to use
food production- lactobacillus in fair production
making biofuels
making antibiotics
What microbial are found in soil? Right Ans - Mastigiphore= eat soil
bacteria which speeds up decomposition process
What microbial are found in water ? Right Ans - Protozoa- consume algae
to prevent overgrowth to toxic level. Photosynthesis
What microbials are found in the human body ? Right Ans - Candida
albucans and Saccharomyces boulardii- causes disruption of microbiota
through antibiotics can lead to opportunistic fungal infection
Helmiths- regulate immune function
Where is Vorticella found at? Right Ans - Yellowstone Hot Springs
Where are essential parts of phosphorus and carbon cycles found at? Right
Ans - Very cold environments (psychrophilic)
Where are marine Protist found? Right Ans - Algae in estuaries
Where do fungi reside? Right Ans - Extreme environments like the Dead
Sea, deserts and acidic run off
What benifits do non prokaryotic microorganisms provide? Right Ans -
Decomposing oxygen production, carbon fixation thru photosynthesis
fungi, PCN = antibiotic
fungi Claviceps purpurea = prevent excessive blood loss
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