Refer to Animation: Filtration, Reabsorption, Secretion. Cells of the excretory tubule water by osmosis, from which we can conclude that the solute concentration in these cells must be than in the filtrate.

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.