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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Adaptive divergence in shell morphology in an ongoing gastropod radiation from Lake Malawi

Fig. 4

Morphospace occupation for all specimens in our common garden experiment. a wild-caught parents; b F1 offspring; c F1 parents; d F2 offspring. Colors indicate morphospecies (blue = L. nyassanus, red = L. solidus, black = L. sp. (ovum-like)), whereas symbols (circles, triangles, crosses) indicate replicates. The biplot is represented at 75% of its actual size and indicates the contribution of morphometric components to the morphospace. Grey spheres and solid separation lines indicate the best-supported solutions of model-based clustering with Gaussian mixture models (see Fig. 6); for F2 offspring (d) the three-group model is added with dashed lines

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