James wants to create a self-sustaining ecosystem, or vivarium. Which method would most likely result in an ecosystem that
is viable for the longest amount of time with no additional care?

Put water, fertilizer, soil, plants and insects in an open, clear glass aquarium. Place it in an area that has some sunlight and some shade.

Explanation:

Vivarium can be defined as a container or enclosure that is prepared to keep animals under a semi-natural conditions for observation or study or as pets; an aquarium or terrarium.

Semi-natural condition: Condition with multiple natural features though created by human intervention.

The perfect condition for the successful growth and development of plants is enough water, sunlight, fertilizers and fertile soil.