Fig. 1

Post-fertilization exposure of sea urchin P. lividus embryos to the total extracts (AORO EXT) and fractions (AORO 2B, AORO 2 C, AORO 2D, AORO 2E) from A. oroides at the three concentrations tested: C1 = 0.125 mg/L; C2 = 0.250 mg/L; C3 = 0.500 mg/L.