The statements which describe homologous structures are:
B. An example of a homologous structure is the forelimb of a whale, a human, and a dog.
D. Homologous structures have the same structure, but may have a different function.
E. Homologous structures indicate a common ancestor.
A homologous structure can be defined as body parts or skeletal elements of organisms in different taxa, that have similar anatomical features and as such indicates a common ancestry and origin.
This ultimately implies that, a homologous structure connotes similar anatomical structures or features, thereby, suggesting a common ancestry, same lineage and origin.
Hence, the statements which describe homologous structures include the following:
- The forelimb of a whale, a human, and a dog is an example of a homologous structure.
- Homologous structures have the same anatomical structure, but may function differently.
- Homologous structures usually indicates a common ancestor and origin.
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