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Answered 2015-04-19 09:29:32

A vestigial trait (i.e. organ, appendage, etc) is a remnant part of an organism that historically was very important but evolutionarily is no longer needed. For example, the tailbone on humans is considered vestigial because it serves little to no purpose, although at one point it most likely connected to a tail.

Another example is the dew claw on a dog (the small, dangling claw on a dog's front paws). Clearly there's no use for it today, but at one point it may have served an important purpose for survival.


wisdom teeth


male nipples xD

body hair

thymus gland

the "tip" of your ear

ear muscles

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What is opposite of vestigial organs?

The opposite of vestigial organs would be functionalorgans.

Do vestigial organs have a purpose?

Vestigial organs are organs that used to have a purpose or function. They are vestigial because they no longer perform that function, but some vestige of them remains.

What do you call organs you don't use?

vestigial organs like the appendix which is vestigial in man

How many vestigial organs are there in the human body totally?

there are 90 vestigial organs in human body

Does vestigial organs prove evolution?

vestigial organs do not PROVE evolution existed but they are an evidence of evolutioin existing

What are some examples of vestigial organs?

The appendix is the best example of a vestigial organ.

What are the examples of vestigial organs?


Why are vestigial organs important in the concept of evolution?

Vestigial organs/limbs mean that there was an ancestor of the creature that once had non-vestigial, usable organs/limbs. This implys that the creature evolved from something that once needed such organs/limbs to survive, but now the species no longer needs the vestigial organ/limbs and it has lost it's use/size.

Organs that surve no useful purpose?

Organs that are not used for their original purpose!Vestigial organs.

Do wolves have vestigial organs?

Yes, like all animals, wolves do have some vestigial organs. One good example is the dew claw.

Do giraffes have any vestigial organs?


What are the vestigial organs in man?

wisdom teeth

Are the thorn of the bougainvillea and the tendril of the cucurbita examples of vestigial organs?

no. they are analogous organs

Are vestigial organs always nonfunctioning?

Yes, as they are unneeded.

The kind of organs that are so reduced in size they are just traces of homologous organs in other species?

Vestigial Organs

Are flippers of seal vestigial organs?

No. Vestigial organs are organs that were previously useful to an animal, but, even though they are no longer useful, remain because evolution hasn't taken them away yet. Seals still use flippers.

Why do some organisms have vestigial organs?

Evolution is a slow process of trial and error. Vestigial organs are organs that once had a function in the ancestral body. They are no longer important, so the body puts less energy into developing them, but we still inherit these characteristics in our DNA. However, often organs that we consider vestigial still do serve some function, although we can survive without them.

What homologous structure that is greatly reduced to size?

Vestigial Organs

Homologous structure that is greatly reduced in size?

vestigial organs

Organ with little or not function?

Generally, they are called vestigial organs

A human appendix and a skinks legs are examples of?

vestigial organs

Name 21 vestigial organs in humans?

The brain... for most people.

What are two vestigial organs?

Hair on skin and mammary glands on males

What is a sentence using vestigial organ?

It's an organ that isn't used, but is still present in an animal's body. Here are some sentences.The appendix is a vestigial organ.An example of a vestigial organ is an emu's wing.Vestigial organs are evolutionary leftovers.

Organ with little or no known function?

Vestigial organs.The correct definition is, organs that are no longer used for their original purpose.