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You are watching: What function do the butterfly and bird wings share

Different types of life organisms regularly have comparable physical features. These features are periodically used because that classification. Classifications the reflect evolutionary relationship are usually the many useful, because if friend know about one biology in the group, you deserve to make fairly accurate predictions about other team members, even if you haven"t watched them before. because that example, every frogs are regarded each other. Based upon what friend know about our regional frogs, you can predict that most African frogs more than likely hop, prefer wet habitats, eat insects, and make chirping noises. top top the various other hand, what if you had a group of organisms dubbed "greens", which included any pet that was mainly green? You"d have a tough time predicting the habits of all green pets based simply on what friend know around grasshoppers. Eco-friendly coloration has actually evolved numerous times in plenty of different teams of animals. It doesn"t indicate that every green animals are carefully related.


Homology once organisms re-superstructure a trait early to common ancestry, it is dubbed a homologous trait. Because that example, all vertebrate animals (frogs, birds, fish, people) have skeletons due to the fact that the ancestor that the vertebrates had a skeleton and passed that trait ~ above to all of its descendants.
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The skeleton of a human"s front limb (left) space homologous to the skeleton of a bat"s front limb (right). Note that both limbs end in five digits, and also though some components differ in size, both limbs have actually the same overall structure.
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Analogy Traits that are comparable due to reasons various other than relatedness are dubbed analogous. Such similarities can result from random chance or because unrelated organisms have adapted to comparable environments.
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Wings over there are countless kinds of paris animals, consisting of bats, birds, and also various insects. All of these organisms have actually wings. Compare the wing of these animals reveals much more differences 보다 similarities. Insects have two pairs of wings, while bats and birds each have one pair. Insect wings absence bones, but bird and also bat wings have actually them. Butterfly wings room covered in scales, bird wings in feathers, and bat wings through bare skin. All of these organisms have adjusted to life in the air and also in doing for this reason have developed wings. Because wings have advanced independently in every of these groups, and don"t indicate that they are carefully related, the possession of wing is an analogous trait.