Question 6 of 10
Which action would most likely lead scientists to change or improve an
existing scientific theory about evolution?
A. Making a hypothesis about the effect of harsh conditions in the
past on reptile species today
B. Discovering a new species of reptile that has different traits than
known species and fossil records
C. Being familiar with many reptile species whose traits are similar to
those in the fossil record
D. Wondering whether some traits help reptiles survive in extreme
conditions



Answer :

The action which would most probably lead the scientists to replace or enhance an existing scientific theory about evolution is: (B) Discovering a new species of reptile that has different traits than known species and fossil records.

Evolution can be defined as a process through which species adjust to their dynamic environment by developing certain traits or characteristics over a period of time which enhance their chances of survival. These traits are passed on from one generation to another.

The existing scientific theory about evolution is largely based on natural selection and branching descent as proposed by Darwin. It has been supported repeatedly through various evidences and fossil records.

However, discovery of a new species of reptile having different traits than known species and fossil evidences would likely result in the modification of the existing theory regarding evolution.

To learn more about evolution here

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