A theory is a set of related hypotheses that have been tested
and confirmed many times by many
scientists. Which of the following
could cause a long-held theory, like
the theory of Evolution, to be
challenged or even overturned by
the scientific community?
new evidence that better supports
the new theory than previous
evidence
O a popular celebrity who disagrees
with the ideas outlined in the old
theory
a scientist who has strong beliefs
that the old theory is wrong but little
evidence
a group of scientists who believe
that new theories are usually better
than old theories