What happens next?

How to build a self sustaining ecosystem
Choose a size for your ecosystem.
If you are new to building ecosystems, you may want to start small. However, the smaller your container, the harder it is to maintain a self-sustaining environment.

Pick your answer from:
1). Subtract, or add sizes of ecosystems, trees, flowers, plants, and other organisms. Purchase your selection online so you know what will fill the bottom..
2). Experiment with sizes and sizes until you find what works for you. For example, a 10-gallon bucket won't take up a lot of room in a 2-gallon bucket..
3). Deciding on a size can require you to assess whether you want to work with plants, birds, insects, or other creatures in your ecosystem. For example, a 10-gallon tank might require an aquarium pond 4-6 gallons..
4). Larger containers allow for the inclusion of multiple diverse species and give everything room to grow. All containers must be clear to let in light..
4).