It's an organ that isn't used, but is still present in an animal's body. Here are some sentences.
Charles Darwin
The blind mole rat has a thin layer of skin covering its eyes, which is considered to be vestigial. There are also cavefish which have eyes that are vestigial. (There are also other vestigial traits in other animals that do not burrow.)
Humans have tail bones are are vestigial. When humans stopped using tails, over several generations, they began to shrink, and now we are left with tail bones. However, there have been cases of people who were born with vestigial tails several centimeters long. An example of a vestigial organ is the appendix.
plants and animals are both living things.
Since "vestigial" means an organ that is atrophied or functionless from the process of evolution, out of the list of four structures that are given, the human appendix is that vestigial organ. All of the other organs, especially the "multiple cow stomachs" and the horns of a deer do play an important role to that animal's life.
The appendix is a vestigial organ.
The human appendix is considered a vestigial organ, as it has lost its original function over the course of evolution.
Vestigal organ
A vestigial organ is an organ that has no beneficial use to an organism. Ex. Tail bone in Humans
The appendix is the best example of a vestigial organ.
appendix
The cast of Vestigial Organ - 2008 includes: Rafael Canedo as Young Artist
vestigial 1
Vestigial refers to something that is no longer needed or useful. Our appendixes are an example of a vestigial organ-they serve no biological purpose
A vestigial is an organ that serves no useful function in an organism.
I believe this sort of structure is called a vestigial structure (a left over remnant). The appendix is another vestigial organ.
yes boss it is :)