I believe it’s the third answer but I’m not 100% sure.
Free points srry
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Carbohydrates can be used as an immediate source of energy by largely all cells, but in many photosynthetic organisms a major portion of the carbohydrates will be used for production of structural compounds, e.g., cellulose in cells walls, or for synthesis of storage products such as starch.
(From the website science direct)
Hope this helps
Answer:
tbh ion know good luck buddy these are hard
Climate, geology, topography, hydrology and soils all play a part in the formation and function of watersheds. These factors provide habitat, nutrients, flow and water quality that aquatic organisms need to survive.