Explore the impact of rainfall on bird beak evolution with the Rainfall and Bird Beaks Gizmo. Analyze how drought and abundance of rainfall influence beak depth and shape in finches through natural selection and adaptation. Predict changes in finch populations and average beak sizes in response to varying environmental conditions. Gain insights into directional and stabilizing selection, evolution, and range of beak depths. Dive deep into the correlation between rainfall patterns and fin…