Biology
What mechanism allows animals to change colour?
Quick fact
Octopuses, cuttlefish, and chameleons can change colour using specialised cells.
Why this is interesting
Some animals can transform their appearance within seconds.
Read the full explanation
Understanding What mechanism allows animals to change colour?
Colour changes help animals hide, attract mates, or signal threats.
A deeper explanation
Animal colour systems evolved through interactions between predators, prey, and social behaviours.