Activity 2: Follow the Track Objective: Explain the Theory of Natural Selection. Procedure: 1. Observe the set of footprints in the diagram. 2. Try to tell a story about the different events. 3. Predict what can probably happen at the end of the diagram. Diagram 1 Diagram 2 Diagram 3 Diagram 4 Q1. In Diagram 1, how many sets of footprints are there? Based on the size of footprints, describe the organisms. Q2. In what directions are the footprints going? Q3. Describe or predict what is happening in Diagram 3 and in Diagram 4.