Organisms are often broken up and categorized by their appearances. There are two main types of structures, that may or not be seen. The first one is a homologous structure, which is a structure or part of some organisms, that consist of generally the same pieces such as bones, but are placed together differently, and may or may not serve the same functions for each organism (Comparative Anatomy). The second type of structure is an analogous structure, which is where different organisms have structures or parts that serve the same or nearly the same function (Comparative Anatomy). Homologous structures can be traced back to one ancestral background, helping scientists in proving evolution (Comparative Anatomy)(Tracing Back Traits). On the other hand, when analogous structures are traced back, the results show that the organisms derived or originated from two different ancestral organisms, but grew up in similar environments causing them both to develop similar structures to meet the needs of survival in said environment (Comparative Anatomy)(Tracing Back
Organisms are often broken up and categorized by their appearances. There are two main types of structures, that may or not be seen. The first one is a homologous structure, which is a structure or part of some organisms, that consist of generally the same pieces such as bones, but are placed together differently, and may or may not serve the same functions for each organism (Comparative Anatomy). The second type of structure is an analogous structure, which is where different organisms have structures or parts that serve the same or nearly the same function (Comparative Anatomy). Homologous structures can be traced back to one ancestral background, helping scientists in proving evolution (Comparative Anatomy)(Tracing Back Traits). On the other hand, when analogous structures are traced back, the results show that the organisms derived or originated from two different ancestral organisms, but grew up in similar environments causing them both to develop similar structures to meet the needs of survival in said environment (Comparative Anatomy)(Tracing Back