Discuss the similarities and differences between whale flippers and tail flukes(*back fins, not the fish) and fish fins, using the scientific terms "homologous structures" and "analogous structures" in the discussion (5-7 sentences)

The whale's flipper and tail flukes and fish fins are analogous structure as they have different structural formation but they perform the same function.

Flipper and tails are locomotory organs in the whale  and helps the whale in propelling similarly fins in the fish assist the fish in swimming. Both the strcutures have evolved differently and are made of different materials.