Which animal uses this group of homologous bones for walking and running? Cat Dolphin Bat Human Rewatch

The question is asking which animal uses a group of homologous bones for walking and running. Homologous bones are bones that have the same basic structure and origin but may have different functions in different animals. The options provided are Cat, Dolphin, Bat, and Human. Among these, the human skeletal system is the most adapted for walking and running. Cats, dolphins, and bats have skeletal systems that are adapted for their specific modes of movement, such as jumping, swimming, and flying, respectively. Therefore, the correct answer is Human.