Our version of the Enneagram. 🤓 Which ecosystem1 describes you best today? 👇 • 1 You are home to trillions of microbes, including 38 trillion bacteria, that collectively make up your microbiome. In other words, you are a walking, talking ecosystem.2 2 An ecosystem is a community of organisms and their physical environment, which function together as an ecological unit. Ecosystems are classified by both biotic (living) components like plants, animals, and microbes, and abiotic (nonliving) characteristics like temperature, moisture, and elevation.