Tending to a garden is great ... discovered that these crops grew better together than on their own. The National Park Service says this creates "a self-sustaining ecosystem that nourishes ...

Native seeds are essential for maintaining healthy local ecosystems, sustaining biodiversity, and supporting wildlife, though ...

A terrarium is a miniature world, an indoor garden in a sealed ... and the appropriate plants–a terrarium is a self-contained ecosystem. Nathaniel Ward, a London surgeon, invented the terrarium ...

The story of David Latimer's garden sealed in a bottle ... and the survival of microorganisms within the ecosystem. The water cycle is also self-contained, with moisture released by the plant ...