Learning theorists call the presentation of a stimulus that increases or maintains a response as positive reinforcement. It contains the addition of reinforcing stimulus after a behavior that makes it more likely that the behavior will occur again in the future. When a satisfactory outcome, event or reward occurs after an action, that particular answer or behavior will be strengthened such as a child receiving a gold star for doing a core.
Many hydra reproduce asexually by producing buds in the body wall, which grow to be miniature adults and simply break away when they are mature. when a hydra is well fed, a new bud can form every two days.
