Before revision: Locomotion in different media Animals move through, or on, four types of environment: aquatic (in or on water), terrestrial (on ground or other surface, including arboreal, or tree-dwelling ), fossorial (underground), and aerial (in the air).
After revision: Locomotion in different media Animals move through, or on, four types of environment: aquatic (in or on water), terrestrial (on ground or other surface, including arboreal, or ltree-dwelling ), fossorial (underground), and aerial (in the air).