[Solved] Which group was first to have an amniotic egg? A) birds B) reptiles C) amphibians D) bony fishes E) mammals Community Service: Voluntary work performed by an individual or a group of people for the benefit and betterment of their community without any compensation. Initiation of Sex: Refers to the act or process of engaging in sexual activity for the first time or starting sexual activity within a particular context or relationship. Sexual Orientation: A persistent form of attraction, whether emotional, romantic, or sexual, towards men, women, or both genders. Erotic Stimuli: Refers to sexual images, sounds, or other sensory inputs that trigger sexual arousal.