게코도마뱀 Reptiles are a diverse group of organisms, and they have evolved to reproduce in various ways. The majority of reptiles are oviparous, meaning they lay eggs. 게코도마뱀 Male reptiles have a copulatory organ, either a single penis (turtles and tortoises) or a pair of hemipenes (lizards and snakes), which they use to deliver sperm … Continue reading Reptile Reproduction