Insects have developed various defense mechanisms to protect themselves from predators. One common strategy is camouflage, where insects blend into their surroundings, making it difficult for predators to spot them. For example, the stick insect resembles twigs, while the leaf insect mimics leaves. Another defense mechanism is the use of chemical deterrents. Many insects, like the bombardier beetle, can spray noxious chemicals to deter attackers. Some insects also produce toxins that can harm or repel predators, such as the monarch butterfly, which accumulates toxins from the plants it consumes, making it unpalatable to birds.