Evolution involves changes in the genetic makeup of a population. If we see more or less of a particular trait in a population over time, the population is likely evolving.

What's an example of change over time?

Highlights include: wash your eyes with soap or perfume. never wash your hair, just dust it off. trim those eyelashes.

What causes change over time?

Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes, novel traits, and new species. ... An example of macroevolution is the evolution of a new species.