He model below shows changes in an insect population over multiple generations. image

Which of the following statements best explains how the first generation lady beetle from the above model changed in the later generations?

A.
The dark spotted trait was passed on over time, causing beetles with that trait to be darker, and the species evolved to have a darker color.

B.
The dark spotted trait was passed on over time, causing beetles with that trait to be lighter, and the species evolved to have a lighter color.

C.
Dark beetles had a better chance of survival, so they changed their color to better adapt to their environment and evolved to have a lighter color.

D.
Dark beetles had a lower chance of survival, so they changed their color to better adapt to their environment and evolved to have a lighter color.