This activity asks students to explore what happens to allele frequency in a population of goldfish when environmental pressures (the introduction of a predatory octopus!) are placed on them. Students will be asked to make predictions, interpret data and allele frequencies, create a graph of the allele distribution, and (most importantly) eat goldfish.
I have uploaded this in a .docx format so you can modify and differentiate for your classroom and students' needs. I recommend going through the first "generation" with the class to save confusion and questions. Enjoy!
NGSS HS-LS4-3 Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.
NGSS HS-LS4-4 Construct an explanation based on evidence for how natural selection leads to adaptation of populations.
NGSS HS-LS3-3 Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.