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