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You are watching: Do birds and insects share any structural similarities

Different varieties of life organisms frequently have comparable physical features. These functions are occasionally used because that classification. Classifications that reflect evolutionary relationship are typically the many useful, due to the fact that if friend know about one organism in the group, you have the right to make fairly accurate predictions about other team members, also if friend haven"t checked out them before. because that example, every frogs are pertained to each other. Based upon what you know around our neighborhood frogs, you can predict that most African frogs most likely hop, like wet habitats, eat insects, and make chirping noises. ~ above the other hand, what if you had a group of organisms dubbed "greens", which contained any pet that was greatly green? You"d have a hard time predicting the behavior of all green pets based simply on what friend know around grasshoppers. Environment-friendly coloration has actually evolved many times in many different groups of animals. The doesn"t indicate that all green pets are carefully related.


Homology as soon as organisms share a trait early to typical ancestry, that is called a homologous trait. Because that example, every vertebrate animals (frogs, birds, fish, people) have skeletons since the ancestor of the vertebrates had actually a skeleton and passed the trait top top to all of its descendants.
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The skeletal of a human"s front limb (left) space homologous to the bones of a bat"s front body (right). Keep in mind that both limbs finish in 5 digits, and also though some parts differ in size, both limbs have the same all at once structure.
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Analogy Traits the are comparable due come reasons various other than relatedness are called analogous. Such similarities can result from random chance or due to the fact that unrelated biology have adapted to similar environments.
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Wings over there are many kinds of flying animals, including bats, birds, and various insects. Every one of these organisms have wings. Comparing the soup of these pets reveals an ext differences 보다 similarities. Insects have actually two bag of wings, if bats and also birds each have actually one pair. Insect wings lack bones, yet bird and bat wings have them. Butterfly wings are covered in scales, bird wing in feathers, and also bat wings with bare skin. Every one of these biology have adjusted to life in the air and also in doing so have developed wings. Due to the fact that wings have advanced independently in every of this groups, and don"t show that castle are very closely related, the possession of wings is one analogous trait.