Structural adaptations can vary from claws to eyelids. The more commonly known structural adaptions are claws and teeth for hunting, eyelids, eyebrows and eyelashes to protect the eyes from sand, rock and other things, fur to keep warm ,wings to help birds, insects and bats to fly, a long neck to help giraffes reach tall trees, the hind legs of a kangaroo to help them jump high and far, and camouflage.
identifying structural adaptations and their uses
In the above diagram, all the structural adaptations have been marked for us and most of their reasons have been given. The fur is used for warmth, the whiskers for perspective, the mouth for killing and roaring, the tail for balancing etc.