Analogous structures demonstrate that identical selective pressures might result in similar adaptations, whereas homologous structures indicate evidence for shared ancestry.
A group of chemical compounds with the same functional group is referred to as a homologous series. As a result of sharing an active group, the molecules have comparable chemical characteristics. The homologous series often includes alkanes, cycloalkanes, and alkenes.
adjective. matching, as in relative position or structure; having the same or a comparable relationship. Similar in origin and structure but perhaps not always in function: A horse's foreleg and a bird's wing are analogous.
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