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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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alexisangelique alexisangelique
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6 years ago

In the Insight into National Geographic Explorer, Dr. Hand suggests that studying life in extreme
  environments is important for what reason?
  a. It can improve our understanding of earths early evolution
  b. Extreme environments have highly adapted organisms
  c. These environments could mimic conditions on other planets
  d. New species of organisms are being discovered
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#1
6 years ago

ANS: C
It was thought that life could not exist in these harsh, dry, cold, environments but in the 70s rocks
from Antarctica had complex microbial communities of lichens and cyanobacteria. Dr. Hand explains
that studying microbes is tricky because if you bring the rocks up from the extreme environments they
often change what theyre doing. Information can be found in the section Insight from a National
Geographic Explorer
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