Most vertebrates display bilateral symmetry. This means that their body can be divided into two identical halves along a central axis. This symmetry allows for streamlined movement and is beneficial in evolutionary terms, providing advantages in locomotion, sensory processing, and predation. In bilateral organisms, structures such as the brain and sensory organs are typically concentrated at the anterior (head) end, allowing for more effective interactions with their environment. This form of symmetry contrasts with radial symmetry found in some other organisms, such as jellyfish.