How do DNA and protein structure evidence relate to evidence from fossils, embryos, and body structures?
DNA and protein data always support the current classifications of species relationships that were built on previous evidence.
Often DNA and protein data support understanding of species relationships, but sometimes the evidence suggests a needed change.
Usually evidence from DNA and protein sequences cannot be compared to other types of evidence and must be considered alone.
DNA and protein data usually show that scientists were incorrect in classifying organisms based upon former evidence.
When we consider the evidence from DNA and protein structure alongside evidence from fossils, embryos, and body structures, we see a more complete picture of the relationships between different species. Fossils provide a record of past organisms and can help us understand how species have evolved over time. Embryos can provide insight into the shared developmental pathways between different species. Body structures can show similarities or differences between species that can indicate their evolutionary relationships.
By combining all these types of evidence, scientists can more accurately determine the relationships between different species and make informed classifications. DNA and protein structure evidence can also provide additional support for these relationships and help corroborate findings from other sources of evidence. Ultimately, all these different types of evidence work together to provide a comprehensive understanding of evolutionary relationships and the diversity of life on Earth.