Fig. 2From: Life history of Lineus viridis (Müller, 1774) (Heteronemertea, Nemertea)Seasonal population structure in Lineus viridis (Nemertea) recorded between May 2005 and November 2006 in the “Odde Watt”, List/Sylt. Males and females differ significantly in size. Asterisks marks the level of significance (*P < 0.05, ***P < 0.001). Numbers above branches indicate sample size (N)Back to article page