Microbiology UTA 2460 Chapter 4 Exam
2026 Questions and Answers
Prokaryotes - Answer -Bacteria and Archaea
ubiquitous - Answer -present, appearing, or found everywhere
Places prokaryotes are found: - Answer -hot springs, ice caps, deep ocean, skin and
mucosal surfaces
TRUE OR FALSE: Prokaryotes are adaptable and resilient - Answer -TRUE
-they have the ability to switch metabolic or respiration methods
list 3 things prokaryotes provide for our habitats - Answer --stability of ecosystems
-carbon/nitrogen fixation
-environmental cleanup
Some prokaryotes are bad for us, these cause: - Answer --human pathogens
-climate change
symbiotic relationship - Answer -The relationship between two species that live in
close association with each other
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, Mutualism - Answer -organism A: benefitted
organism B: benefitted
Amensalism - Answer -organism A: harmed
organism B: unaffected
Commensalism - Answer -organism A: benefitted
organism B: unaffected
Neutralism - Answer -organism A: unaffected
organism B: unaffected
Parasitism - Answer -organism A: benefitted
organism B: harmed
examples of symbiotic environments - Answer --spores in soil
-skin cells as food source
-antimicrobial defense on skin
-gut nutrient metabolism
polymicrobial - Answer -prokaryotes that live in communities
cooperative communities result in - Answer -biofilm formation
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2026 Questions and Answers
Prokaryotes - Answer -Bacteria and Archaea
ubiquitous - Answer -present, appearing, or found everywhere
Places prokaryotes are found: - Answer -hot springs, ice caps, deep ocean, skin and
mucosal surfaces
TRUE OR FALSE: Prokaryotes are adaptable and resilient - Answer -TRUE
-they have the ability to switch metabolic or respiration methods
list 3 things prokaryotes provide for our habitats - Answer --stability of ecosystems
-carbon/nitrogen fixation
-environmental cleanup
Some prokaryotes are bad for us, these cause: - Answer --human pathogens
-climate change
symbiotic relationship - Answer -The relationship between two species that live in
close association with each other
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Mutualism - Answer -organism A: benefitted
organism B: benefitted
Amensalism - Answer -organism A: harmed
organism B: unaffected
Commensalism - Answer -organism A: benefitted
organism B: unaffected
Neutralism - Answer -organism A: unaffected
organism B: unaffected
Parasitism - Answer -organism A: benefitted
organism B: harmed
examples of symbiotic environments - Answer --spores in soil
-skin cells as food source
-antimicrobial defense on skin
-gut nutrient metabolism
polymicrobial - Answer -prokaryotes that live in communities
cooperative communities result in - Answer -biofilm formation
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
