Studying microbes in extreme environments is tricky because when you retrieve the rocks they often
change what they are doing. Indicate whether the statement is true or false.
ANS: T
Studying life from extreme environments is tricky because if you change their environment they often
change what they were doing. Studying life in the lab often tells you one thing while in reality the little
buggers may be doing something quite different in their home environments. Information can be
found in the Insight from National Geographic Explorer section.
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Why do distant mountains appear blue?
What will be an ideal response?
Internal migrations from part of a country to another are the most common form of permanent migration
Indicate whether the statement is true or false.
Secondary messengers perform which of the following functions?
A) transmission of a message from one cell to another B) transmission of a message from the cell surface to its interior C) both a and b D) neither a nor b
In some instances, light behaves like waves, and in others, like discrete particles
Indicate whether the statement is true or false