answersLogoWhite

0

Homologous structures are different forms of animal anatomy which have come from the some origin (a common ancestor), these can be extremely different in appearance and function. For example a bats wing, a seals flipper and a human arm all have common bone and muscle structures suggesting that they all derived from a common ancestor.

Vestigial structures are parts of the anatomy which have lost their original function through the evolutionary process and no longer obtain a major functional role in that animals life. For example in human the appendix's original function was to break down cellulose in plant material, other vestigial functions in humans include the coccyx (tailbone) and ear muscles.

User Avatar

Wiki User

13y ago

What else can I help you with?

Continue Learning about Biology

What is the difference between analogous and homologous?

Analogous means that the structures have different origins, but they do the same things. Homologous means the opposite: that they have the same origins but are adapted to do different functions.


How do you use homologous structure in a sentence?

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.


What is the difference between homoplasy and homologous structures in evolutionary biology?

Homoplasy refers to similarities in traits between different species that are not inherited from a common ancestor, while homologous structures are traits that are inherited from a common ancestor and have similar functions.


What holds homologous chromosomes together?

Homologous chromosomes are held together by a protein structure called the synaptonemal complex during meiosis. This complex helps align the chromosomes and facilitate genetic recombination between homologous chromosomes.


What is the analogous character definition in biology and how does it relate to the concept of character homology?

In biology, an analogous character is a trait that appears similar in different species but is not inherited from a common ancestor. This concept is important in understanding evolutionary relationships. Character homology, on the other hand, refers to traits that are inherited from a common ancestor. By distinguishing between analogous and homologous characters, scientists can better understand the evolutionary history of different species.

Related Questions

What is the difference between vestigial homologous and analogous?

pickles :3


What is the difference between homologous analogous and vestigial structures?

pickles :3


What is the difference between homologous structures and analogous structures?

Homologous = same origin, different function (arms vs. wings) Analogous = same function, different origin (panda thumb)


What are the difference between homologous organ and analogous organ?

Homologous organs have similar embryonic origin and basic structure whereas Analogous organs have different embryonic origin and basic structure. Homologous organs may look different and may perform different function; e.g., forelimb of a man and flipper of a whale. Whereas Analogous organs look alike and perform same functions; e.g., Wings of birds and insects.


Are similarities between sharks and dolphins homologous or analogous?

analogous


What is the relationship between homologous structure and analogous structure?

Homologous structures refer to structures on different species that are similar in function and their evolutionary origin. Analogous structures are similar in function but do not share a similarity in evolutionary origin.


Distinguish between homologous structures and analogous structures?

Homologous structures are features with a similar anatomical origin but have different functions, indicating common ancestry, such as the limbs of vertebrates. Analogous structures have similar functions but different anatomical origins, suggesting they evolved independently due to similar environmental pressures, like the wings of birds and insects.


How do analogous structures and homologous structures differ?

Homologous features of animals are a lot more recent in contrast to evolution, where as analogous dates far back. Homologous features are similar in structure, but perform different functions, such as the human hands and dolphin flippers, which makes room to allow recent evolution comparisons while analogous consists of wings of a bee and a bird, which are completely different. When trying to determine evolutionary relationship between two species, biologists concentrate on homologous features, as analogous features would be considered useless in this case.


What is the difference between analogous and homologous?

Analogous means that the structures have different origins, but they do the same things. Homologous means the opposite: that they have the same origins but are adapted to do different functions.


How do you tell the difference between a homologous serious and an isomer?

describe a chemical test you would use to show the difference between an isomer and a homologous series


Homologous structure between birds and dolphin?

they live for a while


Difference between homologous structures and analogous?

Homologous structures are any structures that have similarity and come from the same lineage. This can be seen in the forelimbs of mammals. Analogous structures are very similar but come from different ancestors. This can be seen in the North American flying squirrel vs the Australian sugar glider. They both have similar features but come from 2 different locations. In fact, the Australian sugar glider is more related to the kangaroo than the flying squirrel