\tHomologous organs:Analogous OrgansHave the same structural design and developmental origin.Have different basic structural design and developmental origin.But they have different functions and appearance.But they have similar appearance and perform similar functions.Example: The forelimb of a frog, a man, a lizard and a frog seem to be built from the same basic design of bones, but they perform different functions.Example: The wings of birds and bats look similar. But in birds wings are covered by feathers all along the arm but the wings of bats are skin folds stretched between elongated fingers.\t