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Darwin’s
theory of evolution ignited scientist of the late
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19th
century. Research institutes and
field labs abounded
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as
there was a huge movement to further study and add
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proof
to Darwin’s theory. Thousands of
plants and
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animals
were collected and studied.
Observations of
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unusual
adaptations of animals to their environment were
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continually
being reported. The question that
went
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unanswered
or at least unrecognized for nearly 50 years
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was
how did animals change over time and once change
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how was that
change maintained?
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