Prepared behavior refers to actions or responses that individuals instinctively or automatically engage in based on their evolutionary or learned knowledge. These behaviors help us adapt to various situations and challenges. Here are some examples of prepared behaviors:

1. Startling at Loud Noises: Humans and many animals have an innate response to sudden, loud noises. This prepared behavior helps us react quickly to potential threats or dangers.
2. Fear of Snakes and Spiders: Many people have a natural fear or aversion to snakes and spiders, even if they have never encountered them before. This is believed to be an evolutionary adaptation that helped our ancestors avoid potentially venomous creatures.
3. Smiling in Response to Happiness: Smiling is a universal facial expression that often occurs instinctively when people experience joy or happiness. It is a prepared behavior that can communicate positive emotions to others.
4. Blinking to Protect the Eyes: Blinking is an automatic response to protect the eyes from foreign objects, bright lights, or sudden threats. It helps keep the eyes moist and clear of debris.
5. Startling at the Sight of Snakes or Spiders: Similarly to the fear of these creatures, many people have an automatic physical reaction (such as jumping or recoiling) when they encounter snakes or spiders, even if they pose no immediate danger.
6. Nurturing Behavior in Parents: Parents often have a prepared instinct to care for and protect their children. This can include feeding, soothing, and comforting behaviors that come naturally to caregivers.
7. Fight or Flight Response: When faced with a perceived threat or danger, the body’s fight or flight response is activated. This prepares individuals to either confront the threat or flee from it, with physiological changes such as increased heart rate and heightened alertness.
8. Reflexes: Reflexes are involuntary and automatic responses to specific stimuli. Examples include the knee-jerk reflex when a doctor taps your knee with a mallet or the eyeblink reflex when something suddenly approaches your eyes.
9. Startling at a Predator’s Gaze: In the animal kingdom, many prey animals have evolved to be sensitive to the gaze of potential predators. They may freeze or become vigilant when they sense they are being watched, helping them avoid becoming prey.
10. Grooming Behavior in Primates: Primates engage in grooming behaviors as a form of social bonding. This behavior is often prepared, as individuals instinctively groom each other to strengthen social bonds within the group.

These examples illustrate how prepared behaviors can be a combination of instinctual, evolutionary adaptations and learned responses that help individuals survive, thrive, and interact with their environment and others effectively.