In this lesson about the origin of life, students will learn that under suitable conditions, life-like structures can form naturally from relatively simple materials. Students will mix a carbohydrate solution with a protein solution, adjust the pH, and view coacervates: amoeba-like objects, which change shape, flow, merge, divide, form vacuoles, release vacuole contents, and show other life-like properties. This lesson helps to distinguish the evolution of different species (with its very strong supporting evidence) from the origin of the very first life (which is still unclear, with several different scenarios still being explored).