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Is a penguin homologous or analogous?
– Both the organisms Dolphin and Penguin are analogous in nature because the flippers they have, do similar functions but their origin is different so comes in the category of analogous.
Is a penguin a homologous structure?
There are 18 different kinds of penguins, and the most closely related are: Gentoo, Adélie, and the Chinstrap. Some homologous structures between these penguins are that they have a big head, short neck, and a long tall body.
Why can’t some birds fly? – Gillian Gibb
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What is homologous to a penguin?
Flippers of penguin and dolphin have a similar function (helps in swimming) but different origin so they are called analogous organs. Penguin and dolphin are not closely related to each other but evolved similar traits (flippers) which represent convergent evolution.
Are birds homologous?
For example, the bones in the wings of bats and birds have homologous structures. Figure 20.2A. 1: Homologous structures: Bat and bird wings are homologous structures, indicating that bats and birds share a common evolutionary past.
What are examples of analogous structures?
Analogous structures are similar structures in unrelated organisms. These structures are similar because they do the same job, not because they share common ancestry. For example, dolphins and sharks both have fins, even though they aren’t related. Both species developed fins because of how (and where) they live.
What animals did the homologous structures belong to?
An example of homologous structures are the limbs of humans, cats, whales, and bats. Regardless of whether it is an arm, leg, flipper or wing, these structures are built upon the same bone structure. Homologies are the result of divergent evolution.
Is penguin wings and whale flipper homologous?
Flippers of penguin and dolphin have a similar function (helps in swimming) but different origin so they are called analogous organs. Penguin and dolphin are not closely related to each other but evolved similar traits (flippers) which represent convergent evolution.
See some more details on the topic Are penguins and birds homologous or analogous? here:
Are flippers of penguin and Dolphin homologous and class 12 …
Unlike having wings like other birds, penguins have tapered, flattened flippers for swimming. – Both the organisms Dolphin and Penguin are analogous in nature …
Analogous Structures Examples Within Nature
Analogous Structures Examples Within Nature · Bird, Insect and Bat Wings · Fish and Penguin Fins/Flippers · Duck and Platypus Bills · Cacti and Poinsettia Plant …
Homologous and Analogous Traits | Biology for Majors II
For example, insects use wings to fly like bats and birds, but the wing structure and embryonic origin is completely different. These are analogous structures ( …
What Are Analogous Structures? Evolution & Examples
As previously mentioned, the wings on insects, bats, and birds are analogous structures because they evolved independently. That is, the last …
Are bird and bat wings analogous or homologous?
Sometimes it is unclear whether similarities in structure in different organisms are analogous or homologous. An example of this is the wings of bats and birds. These structures are homologous in that they are in both cases modifications of the forelimb bone structure of early reptiles.
Are bird and bat wings analogous?
Bird and Bat wings are analogous because they evolved independently. But the wing bones are homologous because they were inherited from the common ancestor.
What is the difference between a homologous trait and an analogous trait?
Homologous structures share a similar embryonic origin; analogous organs have a similar function. For example, the bones in the front flipper of a whale are homologous to the bones in the human arm. These structures are not analogous. The wings of a butterfly and the wings of a bird are analogous but not homologous.
Homologous Structures vs Analogous Structures | Key Differences
Images related to the topicHomologous Structures vs Analogous Structures | Key Differences
Is a dolphin flipper a homologous structure?
A dolphin’s flipper, a bird’s wing, a cat’s leg, and a human arm are considered homologous structures.
What animal did penguins evolve from?
The earliest known penguins evolved shortly after the demise of the dinosaurs in the Cretaceous-Tertiary mass extinction. Roughly 66 million years ago species from the genus Waimanu lived in the waters off of New Zealand.
What is the analogy of bird?
Bird and bat wings are analogous — that is, they have separate evolutionary origins, but are superficially similar because they have both experienced natural selection that shaped them to play a key role in flight. Interestingly, though bird and bat wings are analogous as wings, as forelimbs they are homologous.
Are butterfly wings and bird wings homologous or analogous?
The wings of a butterfly and the wings of a bird are analogous but not homologous.
What are 3 examples of analogous?
- Bird, Insect and Bat Wings. …
- Fish and Penguin Fins/Flippers. …
- Duck and Platypus Bills. …
- Cacti and Poinsettia Plant Structures. …
- Crab and Turtle Shells. …
- Turtle and Bird Beaks. …
- Octopus and Human Eyes. …
- Shark and Dolphin Coloring.
Which of the two animal parts are analogous?
Examples of analogous structures range from wings in flying animals like bats, birds, and insects, to fins in animals like penguins and fish. Plants and other organisms can also demonstrate analogous structures, such as sweet potatoes and potatoes, which have the same function of food storage.
What are homologous structures give an example?
Homologous structures are structures having a similar origin, similar development, similar internal structure and basic plan but showing different external form and function. Example – Forelimbs of mammals, birds, reptiles and amphibians.
Which pairs of animals shows a correct example of homologous?
A common example of homologous structures is the forelimbs of vertebrates, where the wings of bats and birds, the arms of primates, the front flippers of whales and the forelegs of four-legged vertebrates like dogs and crocodiles are all derived from the same ancestral tetrapod structure.
What are homologous and analogous?
Structures with similar anatomy, morphology, embryology and genetics but dissimilar functions are known as homologous structures. Structures that are superficially similar but anatomical dissimilar doing the same function are known as analogous structures.
Homologous, Analogous, and Vestigial Structures
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Which of the following pairs are examples of analogous structures?
Examples of Analogous Structures. The wings of a bird and of an insect are analogous organs. Both of these species have wings that they use for flight and yet their wings came from dissimilar ancestral origins.
Which structure is homologous to the wing of a bird?
So, the correct option is ‘Flippers of the whale‘.
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