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Change through time (1 of 4) Leaves

Image caption:
Leaves on trees change color and fall over several weeks.

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If you use this image in your own non-commercial project please credit it to the University of California Museum of Paleontology's Understanding Evolution (http://evolution.berkeley.edu).

This image is part of a series:

Change through time (2 of 4) Mountains
Mountain ranges erode over millions of years.

Change through time (3 of 4) Genealogy
A genealogy illustrates change with inheritance over a small number of years.

Change through time (4 of 4) Tree of life
Over a large number of years, evolution produces tremendous diversity in forms of life.