The skeletal structure of the front limbs of 6 animal: human, crocodile, whale, cat, bird, and bat are all made animal sets of bones. For each animal, indicate what type of movement the front limb is responsible for.

The main difference between the organisms are the uses of the appendage and the size and number of certain bones. The human arm is used for a variety of functions while the lizard's and the cat's are used for walking an climbing, the whale's for swimming, the frog's for support and the bird's and the bat's for flying.