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Fig. 1 | Evolution: Education and Outreach

Fig. 1

From: Unearthening Old Data: Darwin was Indeed Correct About Earthworm Behavior

Fig. 1

Results of Darwin’s experiments. Shown are the percentage of “leaves” dragged into burrows by the tip (black), the base (white), or the middle section (gray). a Experiments with differently shaped leaves from plants non-native to England; the shape of the leaves is shown above. b Experiments with pine needles: Pinus 1 Needles collected from the garden, Pinus 2 Pot experiments in the house, Pinus 3 Pot experiments in the garden, Pinus 4 Shellac experiment, Pinus 5 Thread experiment. c Experiments with paper triangles of different shapes (broad, narrow) and in the house. For more information, see text

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