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.
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..
