This Survival of the Fittest - Variations in the Clam Species Clamys sweetus worksheet also includes:
It's not often that you come across a clever laboratory activity that is both imaginative and comprehensive! Using M&M's and Reese's peanut butter candies to represent two different clam species, young biologists test for "relative shell hardness" by crushing them according to a prescribed technique. By thoroughly following the scientific process, learners discover adaptations and population change over time. The resource includes all data tables, record keeping, and follow-up questions.