Examine the image below. Notice how all organisms in the image share several of the same bones (highlighted in orange and yellow). Are these homologous structures (homologies) or analogous structures(analogies)? Explain how these structures provide evidence for evolution and the relationship among organisms image of a human arm, a cat arm, a whale arm and a bat arm

2-4 sentences long

These are homologous structures, as they share a common evolutionary origin despite having different functions in each organism. The similarities in bone structure among these different species suggest a common ancestor with similar limbs, which have been adapted for different purposes over time. This provides evidence for evolution by demonstrating how shared characteristics can be modified and specialized in different ways in response to environmental pressures.