Three basketball hoops, all adjusted to different heights.

Image source: By Sam Kolereto CC BY SA-2.0, via flikr.com

When Abby was two years old, she was not tall enough to dunk on a basketball hoop. Now, in high school, she is six feet tall and an all-star at dunking. What characteristic of life is this an example of?

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Type a concept, like “slope” or “photosynthesis”.

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