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Extremophile: Quiz

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Question 1: ________ is the field concerned with forming theories, such as panspermia, about the distribution, nature, and future of life in the universe.
Planetary habitabilityEuropa (moon)Extraterrestrial lifeAstrobiology

Question 2: Some scientists even concluded that life may have begun on Earth in ________ far under the ocean's surface.
Black smokerLittoral zoneCold seepHydrothermal vent

Question 3: The subsurface water ocean of ________'s moon Europa may harbor life, especially at hypothesized hydrothermal vents at the ocean floor.
Io (moon)JupiterGanymede (moon)Callisto (moon)

Question 4: Neither are all extremophiles unicellular; protostome animals found in similar environments include the Pompeii worm, the psychrophilic Grylloblattodea (insects), ________ (a crustacean), and the "water bear".
CopepodAntarcticaPlanktonAntarctic krill

Question 5: The domain ________ contains renowned examples, but extremophiles are present in numerous and diverse genetic lineages of both bacteria and archaeans.
MetabolismAcidobacteriaMicroorganismArchaea

Question 6: An extremophile (from Latin extremus meaning "extreme" and Greek philiā (φιλία) meaning "love") is an organism that thrives in and even may require physically or ________ extreme conditions that are detrimental to the majority of life on Earth.
GraniteDiabaseGeochemistryBasalt







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