Weekly body masses of growing veiled chameleons during development. Measurements for all groups were taken at the same times, but data points are slightly offset for ease of interpretation. The vertical dashed line (at Week 8 of the study) represents the onset of carotenoid supplementation. All chameleons were provided with the same number of food items each day. Family A was significantly more massive than Family B at Week 1 and from Week 12 through Week 22 of the study. Points represent mean values with standard errors calculated from raw data.