eddibear3a and 17 more users found this answer helpful. Ducks are aquatic birds. We know this because the ancient relatives of hippos called anthracotheres (not shown here) were not large or aquatic. Biologists believe that ducks evolved from land birds that did not have webbed feet. Later on the characteristic of live birth evolved, and the two groups that evolved from an ancestral monotreme species became the marsupials (kangaroos, koalas, almost any native australian mammal) and eutherians (humans, almost all mammals that cover the rest of the . 3. individuals with some form of the trait leave more offspring than others. 2. variation is heritable. While webbed feet were evolving in ancestral ducks , with each generation : A . heart outlined. b) While ducks were evolving webbed feet: With each generation, most ducks had about the same amount of webbing on their feet as their parents. The amount of webbing on a duck's feet is a heritable trait. Ducks have simple webbed feet. The fossils are listed in series, showing the transition from one group to another, representing significant steps in . This indicates that placental mammals were on the continent as far back as 55 million years ago, Beck said. B) Most ducks had more webbing on their feet than their parents. The amount of webbing on ducks ' feet had no relationship with the amount their parents had . star. While webbed feet were evolving in ancestral duck, With each generation: Most ducks had about the same amount of webbing on their feeet as their parents. Q6.8. webbed feet in ducks, long necks in giraffes, limbless, snakes. . The common ancestor of . New World monkeys. Only the bottom statement is correct. Ducks are aquatic birds. These ducks spent time on both land and water. Evolution is not. Individuals of this species varied in the amount of webbing in their feet, with some individuals having more webbing and . b. (a) Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. Biologists believe that ducks evolved from land birds that did not have webbed feet. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of webbing on their feet as their parents. . Posted on May 21, 2021 May 21, 2021 by. The amount of webbing on ducks ' feet had no relationship with the amount their parents had . 2). Q8. Introduction to the Hadrosaurs. While the Grants were on the Galápagos, a drought occurred. tissues of webbed feet in the duck, common . 8)While webbed feet were evolving in ancestral ducks, with each generation: A)Most ducks had about the same amount of webbing on their feet as their parents. The most common ancestor that is Char. Through ancestral character state reconstruction of the phylogeny of birds, we suggest that webbed feet evolved as follows (Fig. A duck and a chicken are great examples. while webbed feet were evolving in acestral ducks, with each generation: . Biologists believe that ducks evolved from land birds that did not have webbed feet. "It is likely that ducks developed webbed feet because ducks that had webbed feet were able to survive better than ducks without webbed feet, therefore the trait was passed on to the next generation." This attempt to explain the development of webbed feet in ducks matches the theory proposed by: A. Jean Lamarck B. Charles Darwin eddibear3a and 8 more users found this answer helpful. While webbed feet were evolving in ancestral ducks, with each generation:Most ducks had about the same amount of webbing on their feet as their parents.Most ducks had more webbing on their feet than their parents.Most ducks had less webbing on their feet than their parents.The amount of . Evolutionary history of webbed feet. The amount of webbing on a duck's feet is a heritable trait. these ducks spent time on both land and water. (a) Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. Early interpretations of fossil skin impressions suggested that hadrosaur feet were webbed. The common ancestor of . Most ducks had more webbing on their . Most ducks had more webbing on their . Old World monkeys b. Webbed feet evolved convergently in most groups of aquatic tetrapods. Ducks and beavers both have webbed-feet. While webbed feet were evolving in ancestral ducks, with each generation: A. (b) Appeared in ducks because of a chance mutation. heart outlined. The animal is best described as a hodgepodge of more familiar species: the duck (bill and webbed feet . While webbed feet were evolving in ancestral ducks: (a) With each . Q9. Thanks 15. star. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about t. A: The feet had evolved over time the water birds like the ducks. 1. variation. individuals of this species varied i the amount of webbing in their feet, with some individuals having more . Platypuses belong to the monotremes. Hippos likely evolved from a group of anthracotheres about 15 million years ago, the first whales evolved over 50 million years . Nor were the ancient relatives of whales that you see pictured on this tree — such as Pakicetus. These are both types of birds with very different feet. Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. While ducks were evolving webbed feet: (a) With each generation, most ducks had about the same amount of webbing on their feet as their parents. Only the bottom statement is correct. Biologists believe that ducks evolved from land birds that did not have webbed feet. Only the top statement is correct. While webbed feet were evolving in ancestral ducks, with each generation: Their feet are webbed and this trait makes them fast swimmers. Most ducks had more webbing on their feet than their parents. Special webbed feet called palmate feet are unique to waterfowl. Explain: 1-2-3-4-5: Appeared in ducks because of a chance mutation. Dr. Niswander's trick of turning chicken feet into duck feet was inspired by research in the last five years showing that genes are busy . Answer: While ducks were evolving webbed feet: (a) With each generation, most ducks had about the same amount of webbing on their feet as their parents. In fact, the first scientists to examine a specimen believed they were the victims of a hoax. The amount of webbing on a duck's feet is a heritable trait.Q6.8. After many years the aquatic food sources were more plentiful and after many generations, almost all ducks had more webbing on their feet. b) While ducks were evolving webbed feet: With each generation, most ducks had about the same amount of webbing on their feet as their parents. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of webbing on their feet as their parents. Evolutionary history of webbed feet. Q6.9. While webbed feet were evolving in ancestral ducks, with each . Their feet are webbed and this trait makes them fast swimmers. B)Most ducks had more webbing on their feet than their parents. Their feet webbed and this trait makes : 297129. Neither statement is correct. An icon used to represent a menu that can be toggled by interacting with this icon. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of webbing on their feet as their parents. Only the bottom statement is correct. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of webbing on their feet as their parents. Neither statement is correct. 2). (b) Appeared in ducks because of a chance mutation. While webbed feet were evolving in ancestral ducks , with each generation : A . Biologists believe that ducks evolved from land birds that did not have webbed feet. Reconstruction of webbed feet evolution in birds. The amount of webbing on a duck's feet is a heritable trait. Q6.8. Transcribed image text: ounoil lanu bpg hatdid not have webbed feet. The amount of webbing on a duck's feet is a heritable trait. Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. Probable foot type possessed by the common ancestor is indicated by the pie charts at the nodes. . While webbed feet were evolving in ancestral ducks, with each generatio n: Most ducks had about the same amount of webbing on their feet as their parents Most ducks had more webbing on their feet than their parents Most ducks had less webbing on their feet than . C) Most ducks had less webbing on their feet than their parents. While webbed feet were evolving in ancestral ducks, with each generation:Most ducks had about the same amount of webbing on their feet as their parents.Most ducks had more webbing on their feet . Only the top statement is correct. heart outlined. Q9. (b) With each generation most ducks had a tiny bit more webbing on their feet than . These features include enlarged claws on the second toe which may have been held clear of the ground in life, and long feathers or "hind wings" covering the hind limbs and feet, which may have been . How do birds feet help them survive? The "duckbilled dinosaurs" were common in the Upper Cretaceous of Europe, Asia, and North America. Biologists believe that ducks evolved from land birds that did not have webbed feet. There are species of . (b) Appeared in ducks because of a chance mutation. Graded Questions WARNING: . Possibly the best known of all transitional fossils, the Berlin specimen of Archaeopteryx lithographica. Explain: 1-2-3-4-5: Appeared in ducks because of a chance mutation. Explain: 1-2-3-4-5: Appeared in ducks because of a chance mutation. while webbed feet were evolving in ancestral ducks quizlet. b) While ducks were evolving webbed feet: With each generation, most ducks had about the same amount of webbing on their feet as their parents. Birds with smaller beaks could crack open and eat only the smaller seeds. As a result, fewer seeds were available for finches to eat. The chicken's feet help them scratch the ground looking for dinner. Their feet are webbed and this trait makes them fast swimmers. Many of these early avialans shared unusual anatomical features that may be ancestral to modern birds, but were later lost during bird evolution. This is a partial list of transitional fossils (fossil remains of groups that exhibit both "primitive" and derived traits). Developed structures are inheritable thus acquired characteristics e.g. It is all part of the complex orchestration of development. Ducks are aquatic birds. Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. Example The long neck and legs of modern giraffes were the results of generations of short necked and short legged ancestors feeding on leaves at progressively higher levels of trees. They were able to observe evolution by natural selection actually taking place. star. They were members of the Ornithopoda, and close relatives and possibly descendants of the earlier iguanodontid dinosaurs. While webbed feet were evolving in ancestral ducks, with each generation:Most ducks had about the same amount of webbing on their feet as their parents.Most ducks had more webbing on their feet . homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor. Biologists believe that ducks evolved from land birds that did not have webbed feet. 1. Both statements are correct. Answer: While ducks were evolving webbed feet: (a) With each generation, most ducks had about the same amount of webbing on their feet as their parents. Question: Q6.9. The amount of webbing on a duck's feet is a heritable trait. Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. Thanks 15. star. While webbed feet were evolving in ancestral ducks, with each generation:Most ducks had about the same amount of webbing on their feet as their parents.Most ducks had more webbing on their feet than their parents.Most ducks had less webbing on their feet than their parents.The amount of webbing on ducks' feet had no . O Most ducks had less webbing on their feet than their parents. The amount of webbing on a duck's feet is a heritable trait.Q6.8. Neither statement is correct. The amount of webbing on a duck's feet is a heritable trait Q6.8. Both statements are correct. The amount of webbing on a duck's feet is a heritable trait. Mammals are further divided into three subgroups: monotremes, marsupials and eutheriands. The rest of them have webbed feet that help them in the water. The preview shows page 1 - 2 out of 3 pages. Q9. The preview shows page 1 - 2 out of 3 pages. Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. (Rate this solution on a scale of 1-5 . While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about… A: The feet had evolved over time the water birds like the ducks. Thus the forelimbs of such widely differing mammals as humans . 2. fiIt is likely that ducks developed webbed feet because ducks need webbed feet for e cient swimming.fl This attempt to explain the development of webbed feet in ducks most nearly matches the theory of evolution proposed by A. Jean Lamarck B. Charles Darwin C. Gregor Mendel D. Francis Crick 3. In areas of heavy use of the insecticide DDT, y Today, there are about 250 marsupial species alive in Australia, around 120 marsupial . The most common ancestor that is… The palmate feet are the most common webbed feet kinds, and they help ducks, geese, gulls, and swans to be great swimmers. The feet of birds have evolved as an . Q6.8. The webbed feet of ducks help them paddle effortlessly through the water. (b) Appeared in ducks because of a chance mutation. Homology is contrasted with analogy, which is a functional similarity of structure based not upon common evolutionary origins but upon mere similarity of use. While webbed feet were evolving in ancestral ducks, with each generation: A) Most ducks had about the same amount of webbing on their feet as their parents. C)Most ducks had less webbing on their feet than their parents. . 3. The trait of webbed feet in ducks: (a) Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. The long toes of a chicken combine with his sharp nails. The amount of webbing on a duck's feet is a heritable trait. heart outlined. The most common ancestor that is… While ducks were evolving webbed feet: (a) With each generation, most ducks had about the same amount of webbing on their feet as their parents. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about… A: The feet had evolved over time the water birds like the ducks. Both statements are correct. While webbed feet were evolving in ancestral ducks: (a) With each . Only the top statement is correct. Palmate feet' main role is to improve the life of birds while in the water. While webbed feet were evolving in ancestral ducks: (a) With each generation, most ducks had about the same amount of webbing on their feet as their parents . eddibear3a and 17 more users found this answer helpful. Theses ducks spent time on both land and water. Graded Questions WARNING: . an ancestral species of duck has a varied diet that included aquatic plants and terrestrial plants and insects. Through ancestral character state reconstruction of the phylogeny of birds, we suggest that webbed feet evolved as follows (Fig.