Table 1.

The results of the two-way ANOVA analysis of time and treatment of the green spectral range (~ 560–600 nm) external fluorescence spectral emissions produced by the green sea urchin Strongylocentrotus droebachiensis.

Variable	DF	Sum sq	Mean sq	F value	P value
Time	3	11.423	3.808	59.128	< 2e− 16
Treatment	2	0.567	0.283	4.402	0.0137
Interaction	6	1.0310.172	2.667	0.0169
Residuals	168	10.818	0.064	N/A	N/A