15:41

Making an Ecosystem in a Jar That Receives NO LIGHT

8:40

I put nothing but dirt and water from a pond in a jar

11:13

Construí un pequeño ecosistema

7:10

I Opened a Sealed Jar of Lake Water After 50 Days

10:16

I Created 5 Tiny Ecosystems

8:09

I Built a Lake Ecosystem on My Desk

5:50

The Pond On My Window Sill - Ecosphere Week 1

11:53

The Universe Within: 6-Month Ecosphere Update