In the descendants, these structures may or may not have the same function. As a result, it literally means "sharing the same relation." Homologous structures are structures found in related organisms that were passed down from a common ancestor. The word homologous is derived from the Greek words 'homos', which means same, and 'logos,' which means relation. These structures do not necessarily have to look exactly the same, or have the same function. Homologous structures can be defined as the organs or skeletal elements of animals and organisms that, by virtue of their similarity, belong to a common ancestor.
Structures that are externally similar but are still dissimilar doing the same function are known as analogous structures. The structures which have the same anatomy, morphology, embryology and genetics but are dissimilar in their functions are called homologous structures. Scientists make use of animals for biological processes and drug treatments without extensive and potentially dangerous experimentation on humans with their knowledge. It is really important to understand the importance in comprehending the similarities and differences between the various organisms. Homologous and analogous structures are often difficult to understand. In this article, we will talk about the Homologous and Analogous structures, their facts, and differences. Structures with similar, but different anatomical structures with the same function are called Analogous structures. Structures with similar anatomy, morphology, embryology, and genetics, but different functions are called homologous structures.
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