Experience and the orb web.
D000409:Alanine / Q000378:metabolism; D000704:Analysis of Variance; D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development*; D001522:Behavior, Animal; D001835:Body Weight; D002247:Carbon Isotopes; D005088:Exocrine Glands / Q000378:metabolism / Q000502:physiology; D006799:Housing, Animal; D007323:Instinct; D009425:Nesting Behavior; D013112:Spiders / Q000254:growth & development*
D002247:Carbon Isotopes; D000409:Alanine