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Dissecting Homologous Structures
With your partner get a chicken wing and dissect the bones from the meat. Save the bones and
eat the meat. Then use the picture of the penguin on page 385 to identify the bones. Then glue the
chicken bones on top of the homologous human arm bones below. Then define the terms below.
1. What are the names of the three big bones you dissected?
2. Glue your chicken bones on to the homologous bones of the human arm pictured below.
3. Homologous Structure
4. Vestigial Organ
5. Embryo
6. Explain how homologous structures show relationships between different organisms.