Final answer:
The process of photosynthesis allows plants to use solar energy to convert carbon dioxide and water into sugar and oxygen. Answer B) carbon dioxide into sugar is correct. The absence of sunlight would hinder this process, affecting not just the plants but the entire ecosystem reliant on them.
Step-by-step explanation:
Plants undergo photosynthesis, a vital process through which they use solar energy from the sun to convert carbon dioxide and water into glucose, a type of sugar, and oxygen. The correct answer to the question is B) carbon dioxide into sugar. During this transformation, the energy absorbed from sunlight is converted into chemical potential energy, with glucose being the primary product that serves as the "food" source for plants. This process is essential because it forms the basis of the food chain; without it, plants could not survive, nor could the organisms that depend on these plants as a source of food.
Without sunlight, plants would be unable to perform photosynthesis, leading to a lack of glucose production. This would not only affect the plants themselves but would also have detrimental impacts on the entire ecosystem. Organisms that rely on plants for their survival would be faced with a scarcity of food, potentially causing a collapse in the food chain.