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Candy Dish Selection


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Students find that selection occurs in a dish of mixed candies.

Tang, Carol

Grade level:

30 minutes

Teaching tips:
This activity is quite modifiable to a variety of situations or topics, including discussions of genetic drift, founder effects, and bottlenecks - simple yet powerful.

Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Variation of a character within a population may be discrete or continuous.

  • Traits that confer an advantage may persist in the population and are called adaptations.

  • Depending on environmental conditions, inherited characteristics may be advantageous, neutral, or detrimental.

  • Random factors can affect the survival of individuals and of populations.

Teacher background:

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