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environment changes suddenly and survive. bird species, including the webbed feet of ducks and penguins, most songbirds (such as sparrows and weavers) and pigeons, buzzards, vultures, eagles and gamebirds. padding: 0 !important; max-width: 100%; margin: 0 .07em !important; } They were therefore able to eat aquatic plants and get enough food to survive and reproduce. While webbed feet were evolving in ancestral ducks, with each generation: d. Most ducks had about the same amount of webbing on their feet as their parents. while webbed feet were evolving in ancestral ducks quizlet. This large, flightless, turkey-sized pigeon lived on the tropical island of Mauritius. } 2022-05-21 . D. There is no change in shell thickness within the population. C. Most ducks had less webbing on their feet than their parents. P 567890 All types of ducks have waterproof feathers ; A unique system of blood vessels keeps their feet warm in icy weather; Not all ducks making a quacking sound; These birds can turn their heads backward to clean, or preen, their feathers; Male ducks Then, using the hybridization technique to find out where the B.M.P. (d) rudimentary hip bones in some large snake species A: The left over of a transitional form (lizard to snake?) } New World monkeys. He thought that characters developed within an individual as a result of use or disuse, and that these changes were then passed on to offspring, Over several decades, Russian foxes have been selectively bred to produce tame and aggressive lines. Arcaeopteryx and Basiolosaurus both represent _____________ species, as they had characteristics of both ancestral and descendant species. You have recently colonized a new planet and begin studying heffalumps, a flying species that lives amongst the alien clover. #footer-widgets .widget a, #footer-widgets .widget a:visited { (a.addEventListener("DOMContentLoaded",n,!1),e.addEventListener("load",n,!1)):(e.attachEvent("onload",n),a.attachEvent("onreadystatechange",function(){"complete"===a.readyState&&t.readyCallback()})),(n=t.source||{}).concatemoji?c(n.concatemoji):n.wpemoji&&n.twemoji&&(c(n.twemoji),c(n.wpemoji)))}(window,document,window._wpemojiSettings); D. A. d. homoplasy . The rest of them have webbed feet that help them in the water. /*background-color: #9ac7ee;*/ American water spaniels have webbed feet. D. Traits must be inherited from one generation to the next. If mutations arise that affect shell thickness within a snail population, then with crabs present, those mutations: B. .metaslider .caption { [28] Prehensile tails evolved in a number of unrelated species marsupial opossums , kinkajous , New World monkeys , tree- pangolins , tree- anteaters , porcupines , rats , skinks and chameleons , and the salamander Bolitoglossa . @media screen and (max-width: 480px) { .so-mobilenav-mobile + * { display: block; } .so-mobilenav-standard + * { display: none; } .site-navigation #search-icon { display: none; } } C. Most ducks had less webbing on their feet than their parents. Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. The development of antibiotic resistance is the result of: If there is NO VARIATION in shell thickness within a population of snails, and no mutations occur, what happens to shell thickness in response to crab predation? or numbers? Biologists believe that ducks evolved from land birds that did not have webbed feet. You have recently colonized a new planet and begin studying heffalumps, a flying species that lives amongst the alien clover. Assume all other Hardy-Weinberg assumptions hold, and that there are only two alleles. color: #8f8f8f; Most ducks had more webbing on their feet than their parents. Regardi_ng the development of the concept of evolution through natural selection, which of th following statements is TRUE? 8. C. Ducks with more webbing were better at eating aquatic plants than ducks with less webbing, so the ducks with more webbing survived and reproduced better than ducks with less webbing. In a population of 10,000 rabbits the initial frequency of W in the pool was 0.7. Most ducks had less webbing on their feet than their parents. A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. (function () { Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. Therefore, they cannot feel the cold and have the ability to be in the water during cold weather. DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. width: 1em !important; For example, Baleen whales have a pelvic bone that serves no obvious function, an example of a ____________. Neither statement is correct. line-height: 29px; .so-mobilenav-mobile + * { display: none; } Which of the following terms best describes the place in an evolutionary tree that represents a currently living population? margin-bottom: 0; Their feet are webbed and this trait makes them fast swimmers. /*Archives*/ } You consider the genotypes of the offspring. Webbed Feet: Homologous Trait or Analogous Trait? Most ducks had less webbing on their feet than their parents. students from each class were interviewed before and after the treatment to examine any change in conceptual understanding. C. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. At the same locus associated with the Mc1r gene in dark colored mice, the DNA sequence reads AGG TGG ACG. Use the following passage to answer the next two. Required fields are marked *, UNESCO Your email address will not be published. padding: 10px 20px; D. Looking at the last (most recent) common ancestor of the two groups. Biologists believe that ducks evolved from land birds that did not have webbed feet. image: pixabay.com. Their feet are webbed and this trait makes them fast swimmers. Click here to get an answer to your question Plants transfer water in the water cycle c. 3600 years ago . Use the following passage to answer the next two questions Ducks are aquatic. Ducks are aquatic birds. 188. } } margin-bottom: 0; 1973-2017 Fondation Flix Houphouet-Boigny pour la Recherche de la Paix. Flowe-wm two R alleles (RR) have red flowers while flQU.QYith two r alleles (rr) have white flowers. A major difference among finch species is in their beaks: both size and shape vary greatly. Which is correct? DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. [CDATA[ */ To test this hypothesis, the researcher tagged 20 lizards with long horns and 20 lizards with short horns in each of two locations: Desert Valley, where there are no predatory birds, and Cactus Corner, where there are predatory birds. (Rate this solution on a scale of 1-5 below), Log into your existing Transtutors account. The amount of webbing on a duck's feet is a heritable trait. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. There are over 60 extant species, including the well known ratites (ostriches, emu, cassowaries, rheas, and kiwi) and penguins.The smallest flightless bird is the Inaccessible Island rail (length 12.5 cm, weight 34.7 g). Nous utilisons des cookies pour vous garantir la meilleure exprience sur notre site web. HiSET: Math : Data Analysis, Probability, and Statistics Data Analysis, Statistics, and Probability introduces statistics as a problem-solving process. #masthead-widgets .widget { width: 100%; } Gibbon and orangutan 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. An individual's specific set of alleles makes up their , while their is descri d as the individual's physical appearance and other observable characteristics. Two key texts are Genesis 1:2425 and Job 40:1524. Ducks are aquatic birds. Choose all that apply. These ducks spent time on both land and water. C. Looking at the first (earliest) common ancestor of the two groups. Ducks and geese have palmate feet, where only the three front toes are webbed and the hind toe (called the hallux) is small and elevated. B. Most ducks had less webbing on their feet than their parents. Regarding the development of the concept of evolution through natural selection, which of the following statements is TRUE? Another locus influences flower color. Which of the following is the most appropriate way to determine how closely related two groups are using an evolutionary tree? If the nematode population contains a 20% frequency of a dominant allele that confers drug resistance, what percent of the nematode population will be killed by the treatment (assume the population is in Hardy-Weinberg equilibrium and there are only two alleles at the locus)? Ducks use their webbed feet to propel themselves through the water, while pelicans use their webbed feet as a means of walking on land. text-decoration: none; . Your classmate crosses two pea plants but can't remember what their genotypes were. One common adaptation is webbed feet. Webbed feet evolve in ancestral ducks with each generation. The hypothesis that longer horns offer greater protection against predation is NOT supported. While duck's feet have evolved in much the same way, they're still called feet. line-height: 29px; Life On Top, The graphs below represent her findings.What can you conclude from the researchers results?The hypothesis that longer horns offer greater protection against predation is supported.The hypothesis that longer horns offer greater protection against predation is NOT supported.The experiment is well designed, but the results are inconclusive about the hypothesis.The experiment is not well designed to test the hypothesis. Network of Foundations and Institutions for the Promotion of a Culture of Peace in Africa. ","server_up":"The live stream is paused and may resume shortly. Their feet are webbed and this trait makes them fast swimmers. } However, extensive webbing is not always limited to an aquatic life style. All can come to make new friends, hey h0t girls' come j & hookup with me. Things which can be studied and understood. 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. 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 . That's crazy, right? margin: 0; While webbed feet were evolving in ancestral ducks,with each generation? (b) The less successful ducks died without ospring. The heterozygous condition results in pink (RW) flower color. B. Unlike other waders, Pied avocet has webbed foot, and can swim well. b. Q6.9. What Channel Is Barnsley Match On Today, Bony webbed feet are one of the forms of complex webbed feet. /* ]]> */ Evolution is the process by which modern organisms have descended from ancient ancestors. What were the genotypes of the parent plants? Although platypuses and Ex: Chickens' non-webbed feet and ducks' webbed feet start out the same in embryo form, but due to expression of Gremlin and BMP4 proteins, webbed v. unwebbed feet are created Importance of Hox Genes for Speciation (c) webbed feet in frigate birds that never enter the water A: Again, they used to be able to swim but due to environmental changes they didnt have the need to. font-size: 16px; .archive #page-title { Were the solution steps not detailed enough? Second: The evolution of living things is powered by natural processes. Ducks are Their feet are webbed and this trait makes them fast swimmers. Hippos likely evolved from a group of anthracotheres about 15 million years ago, the first whales evolved over 50 million years ago, and the ancestor of both these groups was terrestrial. Only the bottom statement is correct. On this tree, the labeled horizontal lines indicate the origin of some primate traits. margin: 1em 0; font-size: 16px; It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT. Start studying Duck Tetrapods evolved from a group of organisms that, if they were alive today, we would call fish. Lots of leg bristles, striped wings, white eyes. According the theory of natural selection, where did the variations in body size among the three species of lizards most likely come from? Different finch species live on different islands. Most ducks had more webbing on their . } /*