Some water, a small amount of soil, a few green aquatic plants and a fish were placed in a large bottle. The bottle was placed in a window to receive light during the daytime. Explain what will happen to the CO2 and oxygen levels in the bottle over time. Be sure to include the processes that affect these levels.

Some water, a small amount of soil, a few green aquatic plants and a fish were placed in a large bottle. The bottle was placed in a window to receive light during the daytime. Explain what will happen to the CO₂ and oxygen levels in the bottle over time. Be sure to include the processes that affect these levels.