In the experiments carried out by biologist David Tilman, two diatom species were able to coexist as long as silica was continually added to the water.

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In the experiments carried out by biologist David Tilman, two diatom species were able to coexist as long as silica was continually added to the water, which suggests that silica availability is a limiting resource for the growth of the diatoms.

In the Experiments Carried Out by Biologist David Tilman, Two