Answer:
Homologous features
If two or more species share a unique physical feature, such as a complex bone structure or a body plan, they may all have inherited this feature from a common ancestor. Physical features shared due to evolutionary history (a common ancestor) are said to be homologous.
When two organisms share a common ancestor, their genetic code has to be similar. The extent of similarities determines how recently have the organisms evolved.
How do species evolve from a common ancestor?
Repeated branching events, in which new species split off from a common ancestor, produce a multi-level "tree" that links all living organisms. Darwin referred to this process, in which groups of organisms change in their heritable traits over generations, as “descent with modification." Today, we call it evolution.
Two different species evolving from a common ancestor most likely occurs a common ancestor to the time of time, giving rise to other species.
New species are formed by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations. Speciation involves reproductive isolation of groups within the original population and accumulation of genetic differences between the two groups.
In addition to mutation, we have reproduction, genetic drift and gene flow as factors that influence the variety of alleles in a species.
See more about genetic at brainly.com/question/12985618
#SPJ2
