FIGURE 1. Raw data for (a ) cortisol levels, and
environment and (b ) cortisol levels and body weight (g);
(c ) basal metabolic rate and cortisol levels; (d ) activity
and environment; (e ) number of inspections of novel object and
body weight; (f) number of contacts with novel object and environment;
for parental individuals. Green and orange represent parents reared in
enriched and poor environments.