Answer :

Final answer:

Photosynthesis in the terrarium's carbon cycle is crucial for energy conversion, oxygen production, and ecosystem sustainability.


Explanation:

Photosynthesis is a vital process in the carbon cycle of a terrarium because it converts sunlight into energy stored in carbohydrates, which serve as the energy source for other organisms in the ecosystem. Additionally, photosynthesis plays a crucial role in producing oxygen (O₂) necessary for cellular respiration and the creation of the ozone layer, which shields life from harmful UV radiation.


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