Fig. 2From: Different photosynthetic responses of haploid and diploid Emiliania huxleyi (Prymnesiophyceae) to high light and ultraviolet radiationCell size (A) and thickness of coccolith shell (B) of haploid (1N) and diploid (2N) Emiliania huxleyi acclimated to 100 µmol photons m−2 s−1 at 20 °C. + Coccoliths and − coccoliths denote the size of cells with and without (removed by bubbling CO2) coccolith shell. Different letters in superscript indicate significantly different means (P < 0.05). Error bars denote standard deviations (n = 3)Back to article page