Q. In this image, the population of barnacles exhibits ___________.

Q. In this population of flowers, pink coloring is an ___________ that attracts more pollinating insects.

Q. After a period of time, ____________ led these pandas to be black and white in color.

Q. After a build up of mutations over time, ______________ led to insects being green in order to blend in with their surroundings.

Q. There is _____________ in the color of the bugs.

Q. Light green, the same color as the leaf, proves to be the best __________ in order to avoid being eaten.