What Is A Homologous Structure Apex

In evolutionary biology the term homologous structures pertain to the structures in different species with a common ancestor or developmental origin. A homologous structure in the panda looks like a sixth appendage but it is actually a modified wrist bone that helps the panda pick leaves off the trees more dexterously.

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Homologous structures may not necessarily perform the same function.

What is a homologous structure apex. Apex a bird s wing bone. A homologous structures are structures that share an evolutionary ancestry. Analogous structures anatomical structures that may look similar or perform similar functions but that have different evolutionary origins.

When you say homologous you should be comparing two things seeing if they have similar structure or position. Is the appendix a homologous structure. A type of homologous structure that remains in an organism through evolution but which no longer serves any biological function.

An example of a homologous structure is completely different than asking what it is. The more closely organisms are related the more similar the homologous structures are. Corresponding in structure and in origin but not necessarily in function.

For instance the forelimbs of humans and bats are homologous structures. Many mammals for example have similar limb structures the flipper of a whale the wing of a bat and the leg of a cat are all very similar to the human arm with a large upper arm bone the humerus in humans and a lower part made of two bones a larger bone on one side the radius in humans and a. The wing of a bird and the foreleg of a horse are homologous.

For instance a back bone is an example of one but not the definition of what a. 75 76 77 asked in. An example of homologous structures would be the bones in the arms of a human the wings of a bat and the legs of a dog.

Yes it is a homologous structure. Homologous structure a physically similar structure that performs different functions in different species. An auditory bone that exists inside the ears of mammals is a homologous structure to a reptile s jawbone including dinosaurs.

A homologous structure is an example of an organ or bone that appears in different animals underlining anatomical commonalities demonstrating descent from a common ancestor.

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