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.
They are different because homologous structures have the same structure, but serve a different function. Like mammal arms(human, bat and whales). Analogous structues are different structures, but serve the same function. For example, bat wings and butterfly wings.
Among, say, mammals they are homologous, but the wing of an insect and a bat are analogous.
Homologous structures
They don't, Homologous structures, such as the bones in your forearms and the bones in your cat's and dog's forelegs are that similar because you and your pets are mammals and closely related on the evolutionary tree. Before modern genetic showed this to be convincing the study of morphology was showing us pretty much the same thing; homologous structures support evolution.
Structures which are apparently different and performing different functions but their basic structure is similar are called homologous structures and indicate common ancestry eg. fore limbs of bat , whale , horse dog and man apparently different but are made up of humerus , radius , ulna , carpel , metacarpals and phalanges .
Structures
Homologous = same origin, different function (arms vs. wings) Analogous = same function, different origin (panda thumb)
They are different because homologous structures have the same structure, but serve a different function. Like mammal arms(human, bat and whales). Analogous structues are different structures, but serve the same function. For example, bat wings and butterfly wings.
In biology, homologous structures are defined as structures which serve the same purposes because they evolved from the same source (divergent evolution), the opposite of analogous structures, which serve the same purpose but evolved through convergent evolution. Birds' wings and bats' wings are both homologous and analogous. As wings, the two are analogous, but as forelimbs, the two are homologous.
pickles :3
They are both. They are homologous because they are both examples of a vertebrate forelimb. They are analogous because they were adapted for flight independently of one another.
Homologous structures are similar in structure but can serve different functions in different species due to evolution from a common ancestor. Analogous structures, on the other hand, have a similar function but arise independently in different species due to convergent evolution.
Homologous structures and analogous structures both relate to the study of comparative anatomy and evolution. They demonstrate how different species can develop similar features in response to environmental pressures or evolutionary paths. While homologous structures arise from a common ancestor and share a similar developmental origin, analogous structures serve similar functions but do not share a common evolutionary origin. Both types of structures provide insight into evolutionary relationships and adaptations among species.
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.
Entire organisms are rarely referred to as structures. When you ask if they are analogous or homologous, that requires something to compare the structure to. Is the toenail of a rock wallaby homologous to a hoof? That would be a question that could reasonably be answered. What you have asked does not have enough information to be answered and should probably be trashed.
Homologous structures are those that have similar looks based upon a common ancestry. THE ANSWER IS HOMOLOGOUS STRUCTURES!!! On the other hand, analogous structures are structures that have the same function. Bats fly, but alligators walk.
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.