Bio 102 Exam 2 Questions with Answers (100% Correct
Answers)
Which condition(s) are most likely to be found on a habitat near or on
the hydrothermal vents of Lost City?— Answer: extreme heat, extreme
pressure, basic pH, and ?????? (all of the above)
The habitats surrounding a deep-sea hydrothermal vent support
differing microbial ???? because of variation in— Answer:
temperature, pH, hydrogen concentration, and methane concentration
(all of the above)
Most of the organisms found at Lost City are— Answer: prokaryotes
Which organisms would most likely NOT be found at or near a deep-
sea hydrothermal vent?— Answer: aerobic bacteria
The hydrothermal vents of Lost City are unique because— Answer:
they have different chemistry and inhabitants
Some microbes found at Lost City— Answer: use hydrogen or an
energy source
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, 2
Where would a scientist most likely find an archaean when sampling
carbonate hydrothermal vents?— Answer: inside the chimney beside
the warm vent flow
All of the following are true of hydrothermal vents, EXCEPT—
Answer: the temperatures never get higher than 60 degrees celsius
How are samples collected from Lost City?— Answer: by using
remotely controlled machines
Why would a researcher be slow, careful, and meticulous while
vacuuming a specific ????? deep-sea chimney?— Answer: to avoid
cross contamination of biological species, to avoid breaking the
chimney, to document a specific environment or habitat, and because it
is done remotely and ???? skill (all of the above)
Why would a researcher process microbes collected from a deep-sea
chimney in an ????? ????— Answer: to prevent oxygen from harming
the microbes and to control the environment
At which temperature would you incubate microbes collected at Lost
City?— Answer: would vary, depending on collection point
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