vestigial
refers to an organ or part (for example, the human appendix) which is greatly reduced from the original ancestral form and is no longer functional or is of reduced or altered function.
Vestigial structures provide a clue to the evolutionary history of a species because they are remnants of structures found in the ancestral species.
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..