The term for a type of symmetry found in animals that can be divided into similar halves is bilateral symmetry. Animals exhibiting bilateral symmetry have a left and right side that mirror each other, allowing for organized structures like limbs and sensory organs. This form of symmetry is common in many animals, including humans, reflecting evolutionary adaptations for directional movement and complex behaviors. In contrast, radial symmetry is found in organisms like jellyfish, where body parts are arranged around a central axis.