ELI5: Explain Like I'm 5

Chemical mimicry

Chemical mimicry is a special trick that some animals, plants and even bacteria use to deceive other creatures. Imagine you are playing a game of tag, but instead of running away from the person who is "it", you pretend to be someone else entirely. That's what chemical mimicry is like!

In the animal world, chemical mimicry happens when one creature makes itself smell or taste like something else. For example, a harmless butterfly might smell like a poisonous butterfly to avoid getting eaten by a predator. Or, a flower might smell like a female insect to attract a male insect, which helps the flower to reproduce.

In the plant world, some flowers, like orchids, mimic insects or animals to trick them into pollinating the flower. The flower might look like a female insect or smell like a rotting animal. When a real insect or animal tries to mate with the fake one, they accidentally pollinate the flower.

In the bacterial world, some bacteria can mimic the cells of other organisms to trick the immune system. Since the immune system only attacks cells that it recognizes as foreign, the bacteria can hide in plain sight and cause infection.

So, chemical mimicry is a clever way for creatures to survive and thrive by pretending to be something else. It's like a game of make-believe, but with high stakes!
Related topics others have asked about: