Students find that selection occurs in a dish of mixed candies.
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.
- Traits that confer an advantage may persist in the population and are called adaptations. (LS4.B, LS4.C)
- Depending on environmental conditions, inherited characteristics may be advantageous, neutral, or detrimental.
- Random factors can affect the survival of individuals and of populations.
- Over time, the proportion of individuals with advantageous characteristics may increase (and the proportion with disadvantageous characteristics may decrease) due to their likelihood of surviving and reproducing. (LS4.B, LS4.C)
- There is variation within a population. (LS3.B)