In this graph, the dotted line shows the distribution of color in a
population of butterflies in 1980 and the solid line shows the
distribution in 2015. Which does this graph show?
Select one:
o
The butterfly population has not changed over time regarding color
О.
The butterfly population has changed over time to become generally lighter.
Grey butterflies have become extinct in this population.
The butterfly population has changed over time to become generally darker.