Biodiversity is more than just the variety of species. It includes the genetic, species, and ecosystem-level diversity that sustains all life on Earth. In this clip, Dr. Jenna M. Lawrence defines biodiversity and explains why it forms the foundation of every living system, from tropical rainforests to classrooms full of people. This insight is part of Can Mother Earth Trust Us?, where Dr. Lawrence explores the interconnectedness of all life and why understanding biodiversity is the first step toward preserving it.