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Discussion: Life’s Extreme Environments
Discussion
Topic
Everything we know about life comes from
studying our own planet. Recent discoveries about life forms in extreme
environments have renewed scientists’ interest in looking for life elsewhere.
Organisms that thrive in a wide variety
of harsh conditions –called extremophiles—are broadening scientists’
understanding of the diverse environmental conditions life can withstand.
Scientists have had to modify their theories and expand their view of what
types of environments are habitable based on the new information presented by
the existence of extremophiles.
Watch the following 1.5 minute NOVA video
on extremophiles. Complete your initial post by answering the questions below:
Life’s Extreme Environments
- What
is an extremophile?
- What
kinds of extreme environments can life thrive in?
- Explain
why the study of extreme environments on Earth is important to the search
for life on other planets. Do you think this could change the way
scientists view our understanding of life? Why or why not?
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