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Are shark and whale tails homologous? Homologous or Analogous? Their tail fins are homologous, meaning their similarity is due to inheritance from a common ancestor. On the other hand, the tail fins of orcas and sharks are not homologous, because the common ancestor of all mammals did not have tail fins.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.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 |
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.
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.
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Is a shark homologous or analogous?
…
Homology or convergent trait?
| Sharks | Dolphins |
|---|---|
| skeleton made of cartilage | skeleton made of bone |
Are whale fins 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.
Are whales and sharks related?
She tells you that these animals aren’t closely related at all! In fact, she explains, even though they both live in the ocean and have dorsal fins on their backs, sharks are remarkably different from whales.
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.
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What are homologous structures give 2 examples?
Are shark and whale tails homologous? Homologous or Analogous? Their tail fins are homologous, meaning their …
Homologous Structure Examples in Different Organisms
Bats, whales, and many other animals have very similar homologous structures, demonstrating that these creatures all had a common ancestor. The tailbone in …
Quick Answer: Are Tail Flukes And Fish Tales Analogous
Homologous or Analogous? Their tail fins are homologous, meaning their similarity is due to inheritance …
Tale of 2 Tails: Why Do Sharks and Whales Swim So Differently?
The graceful whale swims by undulating its wide tail up and down. And so does the shark, right? Wrong. Like other fish, sharks swim by …
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.
Which structures are homologous?
- A dolphin’s flipper, a bird’s wing, a cat’s leg, and a human arm are considered homologous structures. …
- The tailbone in human beings is so-named because it is a homologous structure to the beginning of many animals’ tails, such as monkeys.
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.
Do sharks have analogous structures?
Another example of analogous structures are dolphins and sharks as whole species. Although we might think of dolphins and sharks as being relatively similar, their morphology says otherwise.
Which pair of animals shows a correct example of homologous structures?
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.
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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.
Which homologous structure is incorrect?
Conclusion: Insect wings and birds wing are analogous organs. So, the statement’ Insect wings and birds wing are homologous organ’ is incorrect.
Is the 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.
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.
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.
Which of the following structures are analogous but not homologous to each other?
So, the correct answer is ‘Penguin wing and seal flipper‘
What is the difference and similarities of whale and shark?
Whales have bones whereas the sharks have no bones but only cartilage. Whales are much larger than sharks. The blue whale is the largest of all the mammals on Earth. When a whale weighs more than 100 tons, the shark weighs about 2,000 kg.
Is a whale shark a shark?
Whale sharks (Rhincodon typus) are the largest shark, and indeed largest of any fishes alive today. They feed on plankton and travel large distances to find enough food to sustain their huge size, and to reproduce. Whale sharks are found in all the tropical oceans of the world.
Can you milk a shark?
Sharks lack mammalian characteristics such as hair and lungs, and do not produce milk.
How does a shark and dolphin share analogous structures?
Analogous Structures
Sharks and dolphins are similar in construction because they need their “parts” to complete many of the same functions. For example, the dorsal fins that are found on both sharks and dolphins are due to convergent evolution; they are not from a common ancestor.
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Which observations are examples of homologies?
Which observations are examples of homologies? The bones that support the wings of birds, pterosaurs, and bats are arranged in the same order in each animal. The ability to fly using elongated wings developed independently in the lineages that led to birds, pterosaurs, and bats.
Are bat and butterfly wings homologous?
No, wing of bat and wings of butterfly should not be considered as homologous organs because they have different structure and origin but have the same function of flying so they are analogous organs.
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