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Comparisons between marine mammal dorsal fins and the dorsal fins of fish — especially cartilaginous fish like sharks, which have no bones, are a bit different. In that case, the structures are analogous, meaning they serve the same function, but evolved from different origins.The whale’s flipper, tail flukes and fish fins are analogous structure because have different structural formation but they perform the same function. Flipper and tails are used in locomotion in the whale and helps the whale in propelling while fins in fish assist the fish in swimming.Fins of fish and flippers of whales are analogous organs. They perform the same function but they have different basic structure.
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Homology or convergent trait?
| Sharks | Dolphins |
|---|---|
| skeleton made of cartilage | skeleton made of bone |
Table of Contents
Is a whale flipper analogous?
The whale’s flipper, tail flukes and fish fins are analogous structure because have different structural formation but they perform the same function. Flipper and tails are used in locomotion in the whale and helps the whale in propelling while fins in fish assist the fish in swimming.
Are the fins of whales and sharks homologous or analogous?
Fins of fish and flippers of whales are analogous organs. They perform the same function but they have different basic structure.
Shark Fin Soup | National Geographic
Images related to the topicShark Fin Soup | National Geographic
Is a shark homologous or analogous?
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Homology or convergent trait?
| Sharks | Dolphins |
|---|---|
| skeleton made of cartilage | skeleton made of bone |
Are whales analogous or homologous?
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 a shark fin homologous?
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 are the examples of analogous?
For example, the wings of a fly, a moth, and a bird are analogous because they developed independently as adaptations to a common function—flying. The presence of the analogous structure, in this case the wing, does not reflect evolutionary closeness among the organisms that possess it.
Are whales and sharks homologous?
Some whales have single-pointed teeth like sharks, and some sharks have live births, like whales. None of these features were inherited by both these species from their most recent common ancestor. Instead, such non-homologous similarities are examples of homoplasy.
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Are they analogous organs, because the two animals have different ancestors(shark-Some Chondrichthyes fish, Whale-some mammal) but have organs that do the same …
Are the fins of fish and whales homologous structures?
The fin of a fish and the filpper of a whale are analogous structures. They have the same job ( function) but different internal structures. This suggests that the DO NOT share a recent common ancestor.
Do sharks have homologous structures?
Their tail fins are homologous, meaning their similarity is due to inheritance from a common ancestor.
How are sharks and whales similar?
Fusiform Body Shape
In fact, a fusiform body shape is one of the most noticeable similarities between whales and sharks. Having a fusiform body shape, which is tapered and torpedo-like, helps these animals move through the water in the most efficient way possible.
Why are sharks and dolphins analogous?
Their streamlined bodies, dorsal fins and flippers are the result of convergent evolution. Since dolphins and sharks occupy similar niches and face similar challenges, similar adaptations have been advantageous to them, resulting in their analogous structures.
Terraria – Efficiently farming Sharks and Jelly Fish (Mob Trap)
Images related to the topicTerraria – Efficiently farming Sharks and Jelly Fish (Mob Trap)
What are analogous structures?
Analogous structures are features of different species that are similar in function but not necessarily in structure and which do not derive from a common ancestral feature (compare to homologous structures) and which evolved in response to a similar environmental challenge.
Why is a whale homologous?
Comparative Anatomy of Whales
If you look at the skeleton of a whale’s fin, notice that all of the bones match up to comparative bones in other mammals. This is evidence that whales, as mammals, share a common ancestor with other mammals. Another example of a homologous structure in whales is their inner ear bones.
Which pair is an example of analogous structure?
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.
Is human arm and whale flipper homologous?
Homologous structures are structures that are derived from a common ancestor i.e. they have a common evolutionary ancestry. This is not to say that homologous structures have the same function e.g. a whale’s flipper is homologous to a human arm.
Which of the following would be analogous structures?
For example, the wings of an insect, bird, and bat would all be analogous structures: they all evolved to allow flight, but they did not evolve at the same time, since insects, birds, and mammals all evolved the ability to fly at different times.
Why are these structures considered analogous?
Analogous structures are structures that are similar in unrelated organisms. The structures are 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, shown in Figure below, look similar on the outside.
Which of the following structures are analogous but not homologous to each other?
So, the correct answer is ‘Penguin wing and seal flipper‘
Which of the following is true of analogous structure?
Analogous structure:Feathers have the same function but they do not appear to be the same but they belong to the same origin. Example: Wings in bats, birds, and insects. To find in animals like penguins and fish.
Which of the following structures are analogous to the flippers of penguins?
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.
Homologous Structures vs Analogous Structures | Key Differences
Images related to the topicHomologous Structures vs Analogous Structures | Key Differences
What is homologous to what are fins homologous?
The paired fins in fish and limbs in tetrapods are a good example of homologous organs. They were derived from locomotive organs in common ancestors of vertebrates, and they share many developmental processes and genetic networks.
Are fish and dolphins homologous or analogous?
Homologous-Dolphins are mammals and fish are not, thus their evolutionary paths are quite separate. They have similar body shapes because of their similar environment.
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