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Convergent evolution sharks and dolphins

We know that dolphins and sharks are not closely related, and they didn't inherit their similar body shapes from a common ancestor. Their streamlined bodies, dorsal fins and flippers are the result of convergent evolution Gradually sharks, ichthyosaurs, and dolphins came to look alike because natural selection favored one particular shape over all others for rapid movement through the seas. Figure legend: Convergent Evolution. Although very different species, the dolphin and the icthyasaur look alike

Convergent evolution is when different organisms independently evolve similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated Still another example of convergent evolution is seen in the similar shape and coloration of fish and cetaceans, both of which have adapted to the marine environment by developing a fusiform body and neutral buoyancy (an extinct group of marine reptiles known as ichthyosaurs evolved the same body plan) Sharks and dolphins feed on different types of prey. Both dolphins and sharks use oxygen from the water to survive. The size of a dolphin skull has changed, while sharks have remained unchanged. Sharks and dolphins have experienced similar adaptations over time Another example of convergent evolution is the overall body structure of the shark and the dolphin. A shark is a fish and a dolphin is a mammal. However, their body shape and how they move through the ocean is very similar

How do analogies evolve? - Understanding Evolutio

  1. Biologically, sharks and dolphins are very far apart (in fact more distantly related than a crocodile is to a chicken!), they are NOT monophyletic. Yet over millions of years they have independently evolved similar traits (similar body shape, fins, tails, colouring etc) as a result of having to adapt to similar environments (life in the ocean)
  2. Dolphins and sharks are not the only ones with convergent evolution either; the evolution of the wing on both birds and bats are another example, and The Ancestor's Tale by Richard Dawkins also gives numerous examples of convergent evolution, such as the marsupial mole and it's Eurasian counterpart, or the shrews that evolved independently on Madagascar
  3. However, both sharks and dolphins have evolved specific analogous traits — streamlined bodies, dorsal fins, pectoral fins and flippers — to achieve the same goal, which is to swim quickly through..
  4. Show shark teeth and dolphin bones. Ask why there are no shark bones. Pictures and diagrams that show the actual shapes of a killer whale, a baleen whale, a shark and a tuna. Hammer H.M. Predation, Cover, and Convergent Evolution in Epipelagic Ocean. Marine and Freshwater Behavior and Physiology 26(2-4) 1995:71-89.
  5. Sharks And Dolphins One of the most extraordinary examples of convergent evolution is the one we find in sharks and dolphins. We will all agree that the two species look very similar, and yet they are utterly unrelated
  6. Now, in an example that you might be familiar with of convergent evolution are sharks and dolphins. They have very similar or analogous traits. they have a dorsal fin, they have this torpedo shape, they have side or pectoral fins. they've got all these fins, they're looking very similar
  7. Now scientists at the Imperial College, London, have discovered a unique case of convergent evolution - that's when similar physical traits evolve independently — within these two groups of ocean..
What Is Convergent Evolution? - WorldAtlas

Convergent Evolution - Home Brooklyn Colleg

Examples of convergent evolution include the relationship between bat and insect wings, shark and dolphin bodies, and vertebrate and cephalopod eyes. Analogous structures arise from convergent evolution, but homologous structures do not. Convergent evolution is the opposite of divergent evolution, in which related species evolve different traits Some Other Examples of Convergent Evolution. The evolution of complex eyes in vertebrates, cephalopods (squid and octopus) and arthropods (crustaceans, insects and spiders). Streamlined body shape of dolphins, sharks and (extinct) ichthyosaurs. The evolution of echolocation in whales and bats. The paired shell shape of bivalve mollusks and. In evolution: Convergent and parallel evolution Convergence is often associated with similarity of function, as in the evolution of wings in birds, bats, and flies. The shark (a fish) and the dolphin (a mammal) are much alike in external morphology; their similarities are due to convergence, since they have evolved independentl

What Is Convergent Evolution? Live Scienc

  1. Convergent evolution is seen in the fusiform (tapering toward the end) shapes and similar countershading coloration of sharks and dolphins, both of which are adapted to marine environments
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  3. Convergent evolution in bats and dolphins driven by same genes. It's amazing how two different animals from two completely different environments evolve some identical physical features. Take.
  4. Correct answer: convergent evolution Explaination: Convergent evolution can be defined as when two different species with no common ancestory evolve to have similar traits. As in the case of sharks and dolphins, sharks are egg-laying fish belonging View the full answe

Convergent Evolutio

While the shark and dolphin are similar in appearance, Dolphins evolved from ancestors that were very different from sharks. The current similarity between sharks and dolphins is an example of Convergent evolution When different species live similar lives, they can evolve similar traits, a phenomenon known as convergent evolution.For instance, dolphins, sharks and the extinct marine giants known as.

=Convergent Evolution= Some organisms possess similar anatomical structures, not because of any shared ancestry, but because they occupy a similar niche. For instance, aquatic carnivores such as dolphins and sharks appear to be quite similar. They both have flipper, a similar coloration and the same streamlined body shape. These. Convergent evolution is quite common, and the best modern example being the way sharks and dolphins resemble each other in body conformation even though sharks are fish and dolphins are mammals. Hippos evolved from a group of anthracotheres about 15 million years ago, the whales evolved from their common ancestor over 50 million years ago Convergent evolution — the repeated evolution of similar traits in multiple lineages which all ancestrally lack the trait — is rife in nature, as illustrated by the examples below. The ultimate cause of convergence is usually a similar evolutionary biome, as similar environments will select for similar traits in any species occupying the same ecological niche, even if those species are. Convergent evolution is similar to, but distinguishable from, the phenomena of evolutionary relay and parallel evolution. (e.g. dorsal fins of extinct ichthyosaurs and sharks). Parallel.

Because many of the same characteristics are in both the penguin and dolphin but were arrived at via different evolutionary pathways, one would call this convergent evolution. Further Readin When different species live similar lives, they can evolve similar traits, a phenomenon known as convergent evolution. For instance, dolphins, sharks and the extinct marine giants known as ichthyosaurs all differ from each other greatly in origin — dolphins are mammals, sharks are fish and ichthyosaurs were reptiles =Convergent Evolution= Some organisms possess similar anatomical structures, not because of any shared ancestry, but because they occupy a similar niche. For instance, aquatic carnivores such as dolphins and sharks appear to be quite similar. They both have flipper, a similar coloration and the same streamlined body shape. These. essentially convergent is when two species become more similar and divergent is when one species becomes different and turns into two. 1. level 1. KayyyidkAAMC. 515 (128/128/130/129) 2 years ago. I knew this because sharks and dolphins are the golden example of convergent evolution. And elephants and wholly mammoths (probably didn't spell this. Convergent evolution describes what happens when two living things that are not closely related, like the pairs above, adapt to similar ecological niches with similar structures. Dolphins are not.

This concept stays true and well-agreed in convergent evolution. As it is seen that, different organisms independently evolve similar traits in their type of environment while their ancestors didn't show any type of similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated If the anatomical structures listed are sharks and dolphins homologous or analogous are examples of convergent evolution fish that have fins swimming! The one that does not indicate there is a recent common ancestor of land mammals and sharks considered

Solved: Which Of The Following Provides Evidence That Shar

  1. gly good looks? Not.
  2. Shark-dolphin hybrids are impossible. It's true that sharks and dolphins look similar in many ways, but that's because they are a product of convergent evolution, where two genetically distant.
  3. Dolphins and sharks both have a torpedo-like shape, so are they the closest relatives? Because the lamprey also has this shape, we know this body plan is a primitive trait and we have to ignore it.
  4. These are just two examples of convergent evolution, a natural process by which completely unrelated species develop similar features as they adapt to similar environmental and ecological niches. #1. Ichthyosaurs and Dolphins. Nobu Tamura
  5. Convergent evolution in mechanical design of lamnid sharks and tunas During their 400 million years of independent evolution, sharks and bony fishes have diverged in many fundamental aspects.
  6. Modern sharks and dolphins share certain aspects of convergent evolution, such as their streamlined shape and triangular dorsal fin, but they also have many differences. Advertisement 3 / 1
  7. Ones that produce differential reproductive outcomes with a given gene pool. Take pelagic top predators—ichthyosaurs, pelagic sharks, swordfish, mahi mahi, dolphins. They have to swim fast. Water is flexible but incompressible, so fast swimmers mu..

What Is Convergent Evolution

Correct answers: 3 question: AP BIOLOGY Which of the following provides evidence that sharks and dolphins have experienced convergent evolution? Check all that apply Dolphins and sharks have dorsal fins. Sharks have a hydrodynamic body shape like dolphins. Sharks and dolphins feed on different types of prey. Both dolphins and sharks use oxygen from the water to survive. The size of a dolphin. Evolution, over aeons, has honed the shark and dolphin body shape to suit the open sea environment and cement their role as top predators. From a behavioural perspective, there are marked differences between these species. The great white is essentially a solitary hunter while the dolphin hunts within a cooperative pack (pod)

Convergent Evolution - Value Adder

Analogies, characters that evolved through convergent evolution in two separate lineages (like the dorsal fins of sharks and dolphins), are not useful for reconstructing phylogenies. Determine the polarity of characters — in other words, figure out the order of evolution for each character Question 11-Science Practice Test for the TASC Test. Question 11. According to the reading passage, which of these statements best describes the similarity of sharks and dolphins? The similarity of sharks and dolphins is an example of convergent evolution. The similarity of sharks and dolphins is the result of a spontaneous mutation of a shark own trait, including physical differences. Streamlined bodies of aquatic fish and mammals such as sharks and dolphins are examples of an adaptive trait that is considered convergent evolution. They independently evolved without being related or sharing a common ancestor, but both evolved to related forms, developing streamlined bodies. Even though dolphins and sharks have several variations. Which is the following an example of convergent evolution? A. Bird's wing and fish's fin C. Shark's fin and dolphin's limb D. Human's leg and dolphin's leg. C. Shark's fin and dolphin's limb 'I'iwi birds have long, curved beaks that enable them to get nectar from tubular lobelia flowers. Explain how these two species might have coevolved

How did dolphins and sharks both evolve fins? : Evolution

When different species live similar lives, they can evolve similar traits, a phenomenon known as convergent evolution.For instance, dolphins, sharks and the extinct marine giants known as ichthyosaurs all differ from each other greatly in origin — dolphins are mammals, sharks are fish and ichthyosaurs were reptiles The obvious similarities between dolphins, sharks and ichthyosaurs epitomises the process of convergent evolution. This is when entirely unrelated animals independently evolve similar advantageous features as a result of having to adapt to similar environmental niches (Figure 8). This shared body shape is so well-adapted to life at sea that all. Dolphins and whales separately evolved the same speedy swimming bones. A 24-million-year-old fossil of a giant tusked dolphin lacks several features common to modern dolphins and baleen whales. the shark and the dolphin A classic example of convergent evolution is the story of the shark and the dolphin. Sharks have remained more or less unchanged for more than 400 million years

Convergent evolution happens when adaptive radiations among different species/ organisms produce species that are similar in appearance and behaviour. It is the exact opposite of divergent evolution. These species usually have the same outer appearance except their internal structures are different. For example, a shark and dolphin have similar. Examples: - Bird wings/insect wings - Shark fins/dolphin fins More examples: Placental Mammals: top row Marsupial Mammals: bottom row Convergent Evolution Dolphins and Sharks Coevolution When two species evolve together. There is a mutual evolutionary influence between two species. The species have a symbiotic relationship (interaction between. Both dolphins and sharks swim after prey in the ocean. We know that dolphins and sharks are not closely related, and they didn't inherit their similar body shapes from a common ancestor. Their streamlined bodies, dorsal fins and flippers are the result of convergent evolution They're a striking example of convergent evolution - two lineages independently evolving extremely similar anatomy from different starting points. between ichthyosaurs and dolphins, and.

Meanwhile, dolphins, sharks and, the now extinct, ichthyosaurs all demonstrated the same convergent evolution, with mirroring body shapes that facilitated streamlined movement through water Biologist Jonathan Losos Explores 'Convergent Evolution' In 'Improbable Destinies' NPR's Robert Siegel speaks with Jonathan Losos, a dolphin and a shark. They all developed dorsal fins.

↑ McGhee, George (2011) Convergent Evolution: Limited Forms Most Beautiful, MIT Press, p. 158. ↑ Liu, Y et al. (2010) Convergent sequence evolution between echolocating bats and dolphins. Current Biology 20:R53-54. ↑ Liu, Y et al. (2010) Cetaceans on a molecular fast track to ultrasonic hearing. Current Biology 20:1834-1839 When different species live similar lives, they can evolve similar traits, a phenomenon known as convergent evolution. For instance, dolphins, sharks and the extinct marine giants known as. Convergent evolution refers to the similarities in biological traits that arise independently in organisms (whales and dolphins), and ichthyosaurs (aquatic reptiles). Despite the overall similarity of a lizard & shark, and then USE your limbs to represent the relationships betwee

Uncanny Examples of Convergent Evolutio

The Convergent Evolution of Marine Fish and Whale

He was somewhat of a critic of the natural selection evolution concept presented by Charles Darwin. One example that is commonly used to describe the concept of convergent evolution is the comparison between sharks and dolphins. Sharks and dolphins have evolved specific traits that are the same Correct Answer: B. The shark and the dolphin. Convergent evolution is the process where organisms from different ancestral linage, grow to look alike and share similar physical characteristics because they live in the same or very similar environments. Whereas divergent evolution is defined as the evolutionary process whereby organisms from the. Convergent evolution is the independent evolution of similar characters in species that are not directly related. An iconic example of convergent evolution is the streamlined body shape of penguins, dolphins and sharks. A bird, a mammal and a fish, all seemingly evolving a similar 'look' despite being phylogenetically removed from each.

What Is Convergent Evolution? - WorldAtla

Convergent Evolution - Biology Video by Brightstor

For example, sharks and dolphins look relatively similar despite being entirely unrelated ; (e.g. dorsal fins of extinct ichthyosaurs and sharks) If convergent evolution was the universal norm, we might expect to travel in space and find another planet with a complex ecosystem and species that mirror those found on earth Sharks are cartilaginous fish, but the largest bony fish ever to have existed, Leedsichhtys problematicus, looked and behaved like them, being another example of convergent evolution. This gigantic inhabitant of the Jurassic seas was too a peaceful filter feeder and some estimates of its length going to almost 16 meters or 53 feet Another example of convergent evolution is the streamlined shape of sharks and dolphins. One is a fish, the other is a mammal, and they are related to one another in only the most distant sense. But if your life depends on swift movement through the water, then a streamlined shape is pretty much essential. Convergent evolution produces. structures are usually analogous to one another (different structure but same function) CONVERGENT EVOLUTION EXAMPLES Sharks and dolphins Sharks are fish, while dolphins are mammals. However, both sharks and dolphins are similar in their body structures: fins, smooth body, etc. DIVERGENT EVOLUTION occurs when organisms that are similar become. September 6, 2019. Convergent Evolution. Evolution. When I first learned about convergent evolution in school, this is the example the textbook gave: dolphins and penguins. Dolphins and penguins have both adapted to an aquatic lifestyle by developing streamlined, torpedo-shaped bodies. Sure, that's nominally true-but it obfuscates the real.

Shark and tuna convergent evolution Earth EarthSk

Someone caught a shark at Crystal Crescent today and hung

Convergent evolution—the independent evolution of similar fea-tures in different evolutionary lineages—is a common, perhaps ubiquitous (Conway Morris2003,2009,2010),phenomenon,yet lection could lead fast-swimming aquatic animals such as sharks, tunas, ichthyosaurs, and dolphins to evolve a streamlined bod Convergent Evolution. When animals live in the same environment they evolve similar body structures with similar purposes, this is due to Convergent Evolution. Ex: Sharks, Ichthyosaurs, and dolphins all have streamlined bodies with flippers because they all live in the ocean

Modern sharks and dolphins share certain aspects of convergent evolution, such as their streamlined shape and triangular dorsal fin, but they also have many differences. Cassowaries and Corythoraptor Convergent evolution is when different organisms independently evolve similar traits. For example, sharks and dolphins look relatively similar despite being entirely unrelated. Why is it dangerous to live near a convergent boundary? Occasionally, big eruptions or earthquakes kill large numbers of people. If we choose to live near convergent. Dolphins and sharks are other notable examples of analogous structures and convergent evolution. The two animals share many features, including their overall body shape, coloration and fin placement. Yet dolphins are mammals while sharks are fish, meaning that in terms of evolutionary lineage dolphins share more in common with rats than sharks Other famous examples of convergent evolution are sharks and dolphins, which are not related but have evolved similar body plans. Similarly, the extinct Tasmanian Tiger, a marsupial mammal, and. Current Biology, Boessenecker et al.: Convergent evolution of swimming adaptations in modern whales revealed by a large macrophagous dolphin from the Oligocene of South Carolina https://www.cell.

18.5G: Convergent Evolution - Biology LibreText

5. In a few sentences, explain how aquatic animals like whales can be more closely related to terrestrial ones (humans) than they are to other aquatic animals (sharks). The structural similarities between sharks and dolphins are an example of convergent evolution. Another classic example of convergence is the evolution of flight Dolphins in Shark Bay, Australia, cooperate to herd females in ways that anthropologist Barbara J. King says are unusually complex. Related research may shed light on the evolution of our own brains This is convergent evolution as exhibited by shark and dolphin: they belong to different vertebrate class but both are adapted to aquatic life. Convergent evolution leads to appearance of analogous organs where infrastructure of such organs may differ but the functional achievement remains same

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DIVERGENT EVOLUTION The kit fox and the red fox evolved from a common ancestor while adapting to different environments. Natural selection is not random. It can have direction, and its effects are cumulative through generations. CONVERGENT EVOLUTION Dolphins, which are mammals, and sharks, which are fish, hav Convergent evolution occurs when one or more unrelated species (meaning they don't share a recent ancestor) evolve similar morphologies or behavior. Often, the species converging fill similar ecological niches in a given habitat or in different regions of the world. Marine mammals like dolphins, certain species of sharks, and even fossils. Convergent evolution is seen all around the planet: the hedgehog and the echidna, a cousin to the platypus, both have spine-covered bodies; the shark and the ichthyosaur, an extinct reptile, both. The striking resemblance of these species is probably the result of convergent evolution, a force that causes different species to resemble each other. Some examples include the similar body shape of sharks and dolphins, flying squirrels and sugar gliders, and hawks and falcons Analogous Traits. The two different species that posses the analogous traits for dorsal fins are dolphins (cetaceans) and sharks (vertebrates). Although they share the same shape, they are more different than similar. The dorsal fins of both these species are the result of convergent evolution. Since dolphins and sharks faced similar.

Convergent Evolution - Definition and Examples Biology

Examples of convergent evolution include the relationship between bat and insect wings, shark and dolphin bodies, and vertebrate and cephalopod eyes. Analogous structures arise from convergent evolution, but homologous structures do not. 39 Related Question Answers Foun Refer to the illustration above. While the shark and dolphin are similar in appearance, dolphins evolved from ancestors that were very different from sharks. The current similarity between sharks and dolphins is an example of a. coevolution. c. convergent evolution. b. biogeography. d. divergent evolution. ANS: C DIF: 2 OBJ: 15-3.1 30 Dolphin - Facts, Characteristics, and Behaviour. Dolphins are mammals often confused with large fish like sharks. They are classified under the order Cetaceans, which also includes whales and family Delphinidae.Dolphins are very intelligent animals and show playful and friendly behaviors especially when they encounter humans In recent years, the study of whale and dolphin brains has provided some amazing insights into how these complex beings have evolved and the processing skills for which their brains have adapted. Whale and dolphin brains are big. Sperms whales have the largest brain on the planet, weighing around 7.8kg. The average bottlenose dolphin brain. Convergent evolution is a process in biology. It occurs when two species from unrelated lines develop the same traits or features. This happens because they live in similar habitats, and have to develop solutions to the same kind of problems. Convergent evolution leads to analogous features

Convergent evolution a. is an example of stabilizing selection. b. depends on natural selection to independently produce similar phenotypic responses in different species or populations. c. $\quad$ occurs only on islands. d. is expected when different lineages are exposed to vastly different selective environments 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 10 Animals You Won't Believe Are Closely Related. Thanks to the know-it-all from second grade, we're all aware that dolphins and whales are mammals, not fish. But it's probably been a while since you've pondered just how incredibly, mind-blowingly weird it is that you and whales were the same animal more recently than whales and sharks. Or to. Similar dorsal fins in a shark and a dolphin are the result of convergent evolution. Homologous vs. Analogous Traits: Traits that are similar between different organisms can be either homologous.

Uncanny Examples of Convergent EvolutionAnimal Myths and Misunderstanding