The human hand, cat paw and the horse foot, when studied in detail show the same structure of bones and point towards a common origin.
(a) What do you conclude from this?
ā(b) What is the term given to such structures?
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Solution
(a) The structures mentioned above have the same origin but they perform same or different functions in different organisms. This indicates that they have evolved from a common ancestor.
(b) The term given to these structures is homologous structures.