Insecticide resistance is the development by insects of resistance to insecticides. It is the ability an insect can either get naturally or by mutations to withstand the effects of insecticides aka becoming resistant.
Both humans and monkeys have this. A VERY long time ago Humans had very small "strings" of skin. This skin has evolved over time and now there is a bone left. Monkeys are technically un-evolved humans. Good thing they stuck around.
Particle or Subatomic particle