The wings of birds and bats are akin — that is, they have different evolutionary origins but are superficially similar because they both underwent natural selection that gave them a key role in flight. …Interestingly, although bird and bat wings are similar to wings, as forelimbs, they are homologous.

How are bat wings considered homologous and analogous structures?

How can bat wings be both homologous and analogous structures? Because the bones in the wings are similar to the bones in the human hand Or mole feet. Also, the bones in the wings come from insects, but insects don’t have bones in their wings, while bats do.

What is the origin of bat wings?

When two or more organs or structures are substantially similar in structure but modified to perform different functions, they are called sequence homology. An example of this is bat wings and whale flippers. … an example of this is the wings of bats and birds.

Are bat wings and insect wings homologous or similar structures?

Butterfly or bird wings are akin but not homologous. Some structures are both similar and homologous: The wings of birds and bats are both homologous and similar. Scientists must determine what type of similarity a trait exhibits in order to decipher an organism’s phylogeny.

How are bat and bird wings considered to be homologous and homogenous structures?

Homology and homology are often difficult to identify because both may exist in the same physical feature. The wings of birds and bats are an example of both homology and homogeneity. Bones within wings are homologous structures inherited from a common ancestor.

Homologous and Similar Structures | Genetics and Evolution | Biology | Khan Academy

34 related questions found

What are examples of homologous structures?

Homologous structures are similar physical features in organisms with a common ancestor, but these features have completely different functions.An example of a homologous structure is Human, cat, whale and bat limbs. . . An example of this is bat wings and bird wings.

How do you differentiate between homologous and analogous structures?

Homologous structure have a similar embryonic origin; Similar organs have similar functions. For example, the bones of a whale’s front fin are homologous to those of a human arm. These structures are not similar. Butterfly wings and bird wings are similar, but not homologous.

Why are the wings similar?

Bird and bat wings are similar – that is, they have different evolutionary origins but are superficially similar Because they both have undergone natural selection, which gives them a key role in flight. Analogy is the result of convergent evolution.

What are some examples of similar structures?

By analogy, in biology, the similarity of function and the surface similarity of structures with different origins. E.g, Wings of flies, moths and birds are similar in that they independently developed to accommodate a common function – flight.

What is the strongest evidence for evolution from a common ancestor?

Darwin could only compare the anatomy of living things and embryos. Today, scientists can compare their DNA. similar DNA sequences It is the strongest evidence for the evolution of common ancestors.

What are 3 homology?

Similarity studies fall into three main categories: Structural, developmental and molecular homology.

Are humans and apes similar or homologous?

Homologous (but not similar) traits can be used to reconstruct evolutionary relationships between different species.For example, the thumbs of humans, chimpanzees, and gorillas are all anatomically very similar, and is homologous.

What are similar characteristics?

A similar structure is A trait shared by species that live in the same environment but are not related to each other.

What is an example of a homologous analogous organ?

(a) Similar Organs: Organs that perform similar functions but differ in structure and origin. example – bird wings and insect wings. Homologous Organs: Organs that have different functions but are similar in structure and origin. Examples – Frogs, lizards, birds and human forearms.

Which structure resembles a bat’s wing?

bat wings and human arm Share a similar internal bone structure, even though they look very different on the outside. Wings and arms also perform different functions—wings help bats fly, while arms help humans interact with their world in very different ways.

What is an analogous structure?

A similar structure is Characteristics of different species that are functionally similar but not necessarily structurally similar And they did not derive from common ancestral traits (in contrast to homologous structures) and evolved in response to similar environmental challenges.

What are 3 examples of homologous structures?

A common example of a homologous structure is forelimbs of vertebratesThere, the wings of bats and birds, the arms of primates, the front fins of whales, and the forelimbs of quadrupedal vertebrates such as dogs and crocodiles all came from the same ancestral tetrapod structure.

Which of the following pairs is an example of a similar structure?

bird wings and insect wings is a similar structure. Both species have wings for flight, but their wings come from different ancestral origins.

What are similar structures and why do they appear?

Analogous structures are structures that are similar in unrelated organisms.structure is similar because they evolved to do the same job, not because they were inherited from a common ancestor. For example, the wings of bats and birds, as shown in the image below, are similar in appearance.

How do whale flippers resemble human arms?

Whale flippers, bat wings and cat legs are are very similar to human armshas a larger upper « arm » bone (humerus in humans) and a lower part consisting of two bones, a larger one on one side (the radius in humans) and a smaller one on the other (the ulna).

Are bird arms and bat arms homologous?

Arms are basically limbs, modified to be wings in the case of birds and bats. bat and bird wings are similar The forelimbs are homologous in nature. Forelimbs changed to wings; both birds and bats have nearly identical sets of bones; called homologous structures.

How have similar structures evolved?

How did the analogy evolve? Often, two species face similar problems or challenges. Then evolution might shape them in a similar way – results in a similar structure. …if birds prefer long red flowers, the shape and color of the flowers may evolve in ways that make them more attractive to birds.

Which of the following pairs is the best example of a homologous structure?

The correct answer is (B) Bat wing and human hand. Homologous structures are created by com…

Which observations are examples of homology?

Here are some examples of homology: Human arms, bird or bat wings, dog legs and dolphin or whale flippers is a homologous structure. They are different and serve different purposes, but they are similar and share common characteristics.

What are homologous structures in evolution?

Homologous features

If two or more species have unique physical characteristics, such as complex skeletal structures or body plans, which may all have inherited this trait from a common ancestor. Physical characteristics shared due to evolutionary history (common ancestor) are said to be homologous.