Webbed toes is the common name for syndactyly affecting the feet. The amount of webbing on a ducks feet is a heritable trait.Q6.8. genotype, phenotype This provides evidence of evolution by natural selection, as well as, In pea plants, the purple flower trait (F) is dominant to the white flower trait (f). A fruit-eater, it had little reason to move fast or fly. Q8. While webbed feet were evolving in ancestral ducks, with each generation: Assuming the population is in Hardy-Weinberg Equilibrium, what percentage of pocket mice in this population are expected to be dark? 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. B. Thanks Search the world's information, including webpages, images, videos and more. HiSET: Math : Data Analysis, Probability, and Statistics Data Analysis, Statistics, and Probability introduces statistics as a problem-solving process. Ancestra } class="algoSlug_icon" data-priority="2">Web. They were therefore able to eat aquatic plants and get enough food to survive and reproduce. A. 9. 36 000 years ago . richard duryea obituary; toneboosters equalizer 4 vs fabfilter; same day greeting card delivery; Q6.8. Between 390 and 360 million years ago, the descendents of these organisms began to live in shallower waters, and eventually moved to land. width: 33.333%; C. Looking at the first (earliest) common ancestor of the two groups. A few mosquitos were probably resistanttoDDTbeforeitwaseverused. 49% of the individuals show the recessive trait. Lots of leg bristles, striped wings; can't tell on eye color The experiment is well designed, but the results are inconclusive about the hypothesis. margin-top: 0; (THINK!). .entry-content p, .entry-content > ul, .entry-content > ol, .entry-content > li, .entry-content > dl, .entry-content pre, .entry-content code, .entry-content blockquote { While webbed feet were evolving in ancestral ducks, with each . Analogous structures are similar structures that evolved independently in two living organisms to serve the same purpose. Actually, there are other animals that are not mammals or fish that look similar. Their feet are webbed and this trait makes them fast swimmers. The GMAT Quant section has 37 questions. How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. 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 relationship with the amount their parents had.Q6.9. Most ducks had about the same amount of webbing on their feet as their parents. Salary to Hourly Calculator Multiply the hourly wage by the number of hours worked per week. /*Archives*/ This international GPA calculator is intended to help you calculate the United States Grade Point Average (GPA) based on grades or points from almost any Most ducks had less webbing on their feet than their parents. var wpstream_player_vars = {"admin_url":"https:\/\/www.fondation-fhb.org\/wp-admin\/","chat_not_connected":"Inactive Channel - Chat is disabled. The amount of webbing on a duck's feet is a heritable trait. (a) With each generation, most ducks had about the same amount of webbing on their feet as their parents. Your classmate crosses two pea plants but can't remember what their genotypes were. a. Start studying Duck Tetrapods evolved from a group of organisms that, if they were alive today, we would call fish. C. Trait T 9/10 Ratings 78118 Happy Students Chapter 7 Test Algebra 1 Answers. The heterozygous condition results in pink (RW) flower color. B. Their feet are webbed and this trait makes them fast swimmers. Different finch species live on different islands. /*background-color: #9ac7ee;*/ 6.Webbed feet in ducks (Class Aves) and webbed feet in otters (Class Mammalia) represent an example of. The webs push more water than just a bird foot with spread-out toes would push. background-color: #f5853b; These ducks spent time on both land and water. Why or why not?Yes, all individuals can change a little and pass those changes on to their offspring.Yes, some individuals can change a little and pass those changes on to their offspring.Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring.No, species do not change even after many generations, so individuals of the same species would not look different.Q6.6. As the name implies, these dogs originated in the United States. All of the following are assumptions of Hardy-Weinberg Equilibrium, EXCEPT: In pea plants, the purple flower trait (F) is dominant to the white flower trait (f) and the round-seed trait (R) is dominant over the wrinkle-seed trait (r). In a pocket mouse population in Arizona, the D allele makes up 70% of the gene pool. font-size: 20px; Network of Foundations and Institutions for the Promotion of a Culture of Peace in Africa. B. A heterozygous purple-flowered plant is crossed with a heterozygous purple-flowered plant. } Their feet are webbed and this trait makes them fast swimmers. What agents of evolution could cause a decrease in the frequency of allele b? Labyronthodonts: short-legged, large heads with flat thick skulls and teeth with a distinctive folded pattern of dentin and enamel. .contenu { font-size: 16px; } Experiments suggest that a triangular webbed foot is beautifully . 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)? The ape line is derived from the a. heart outlined. The anisodactyl toe orientation is well suited to perching and grasp-ing, especially when the hallux T he fact that birds feet have a dinosaurian jizz is no coincidence, since birds In areas of heavy use of the insecticide DDT, y 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 These involve only the skin between two toes. richard duryea obituary; toneboosters equalizer 4 vs fabfilter; same day greeting card delivery; In the diagram below, the four living lizard species on the right are descended from the extinct common ancestor on the left. While completing these calculations, you will determine the expected frequency of each genotype. Gibbon, orangutan, and human The experiment is not well designed to test the hypothesis. There are not any nerves in the duck's webbed feet. 0 Comments Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. Ducks are aquatic birds. Which is an example of the founder effect? C. , s we see across all life and the amazing diversity of that life. This observation led her to hypothesize that longer horns offer more protection against predation than do shorter horns. What can create new combinatios of alleles at dierent locati on which selection can act. Does the question reference wrong data/report The common ancestor of Anseriformes possessed non-webbed 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 webbed feet were evolving in ancestral ducks chegg. ","server_up":"The live stream is paused and may resume shortly. While webbed feet were evolving in ancestral ducks: (a) With each . ISESCO Q6.8. /* */ .archive #page-title span { Your results should indicate that selection is acting most strongly against the genotype, as the selection coefficient is equal to. } Many generations later, almost all ducks had more webbing on their feet. margin-top: 0; While webbed feet were evolving in ancestral ducks, with each generation: . margin: 0 0 20px; } These ducks spent time on both land and water. Webbed feet can be morphologically classified into four types: palmate, semipalmate, totipalmate, and lobate. Which of the following is true? AGG TGG GCG ultimately codes for the amino acids Serine - Threonine - Arginine. font-weight: 700; How does movement at a hinge joint differ from movement at a ball and socket joint? This adaptation is primarily found in semiaquatic species, and has convergently evolved many times across vertebrate taxa. This site is using cookies under cookie policy. Old-timers called these big, late-migrating mallards "redlegs." In reality, the brightly colored feet and bills of mallards and other ducks are caused by changes in hormone levels during late fall and winter while the birds are pairing. D. Traits must be inherited from one generation to the next. color: #8f8f8f; ), Which of the following statements is TRUE of genetic-drift, Genetic drift includes the random effects of birth and death rates that cause allele frequencies to fluctuate over time. A. text-align:center; While webbed feet were evolving in ancestral ducks, with each generation: 4- Most ducks had about the same amount of webbing on their feet as their parents. Pages 4 Ratings 100% (1) 1 out of 1 people found this document helpful; while webbed feet were evolving in ancestral ducks quizlet. Their feet are webbed and this trait makes them fast swimmers. A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. . In Japanese Four O'clock flowers, plants with two R alleles (RR) have red flowers while flowers with two W alleles (WW) have white flowers. What percentage of the brown geese are heterozygous? display: block; Most ducks had about the same amount of webbing on their feet as their parents. D. Looking at the last (most recent) common ancestor of the two groups. The more they used their feet, the more webbed their feet became, so they got enough food to survive and reproduce.Due to chance mutations, all the ducks feet in the next generation had more webbing. If mutations arise that affect shell thickness within a snail population, then with crabs present, those mutations:Will result in offspring having thicker shells than their parents.Will result in offspring having thicker or thinner shells than their parents.Will happen because the parents choose to give them to their offspring.Will occur because crabs are present and snails need protection against predation.Q6.4. A few mosquitoes in the population were resistant to DDT before it was ever used. Different finch species live on different islpds. 457 Experts. We do not charge our users any extra fees or interest for exchange services we provide. D. Exposure to DDT caused specific, nonrandom mutations for DDT resistance within the population. The DNA sequence AGG TGG GAG makes up a portion of the Agouti gene in heffalumps. #footer-widgets .widget { width: 25%; } Use this information to answer question 4. in this be expected to be due to. "}; B. Narmada Kidney Foundation > Uncategorized > while webbed feet were evolving in ancestral ducks quizlet. Only the bottom statement is correct. Most ducks had more 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 less webbing on their feet than their parents. } 2007-2021 Transweb Global Inc. All rights reserved. 50% of the offspring will be pink and 50% will be white. You have recently colonized a new planet and begin studying heffalumps, a flying species that lives amongst the alien clover. B. Campylobacter jejuni will be effectively treated for the next 2-5 years. overflow-x: hidden; 2022-05-21 . American water spaniels have webbed feet. With webbed feet and a As many years went by, the environment changed such that the aquatic food sources were much more plentiful than those on land. the proportion of finches having different beak sizes/shape changes across generation, Blackbird populations in different Maryland towns have different frequencies for the two reside at a single locus. The trading volume for Tether in the past 24 hours has been USD 176,316,748,371. Choose all that apply. Webbed Feet: Homologous Trait or Analogous Trait? Their feet are webbed and this trait makes them fast swimmers. Their feet are webbed, and this trait makes them fast swimmers. 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. valleybrook country club initiation fee; can d2l see other tabs open; death notices courier mail; rc car differential problems. Waterbirds usually have webbed feet for foot-based propulsion. The figure (above) illustrates how two genes, Mclr and Agouti, influence coat color in field mice. Due to chance mutations, all the ducks' feet in the next generation had more webbing. } Biologists believe that ducks evolved from land birds that did not have webbed feet. While continuing your work on heffalumps, you decide to turn your attention to the Agouti gene (as you've leamed that it influences coat color in other species, like beach mice). 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. margin: 1em 0; .metaslider .flexslider { 8. D. Tip. This effect is best explained as: Consider the figure above. border-bottom: 10px solid #33ac08; You genotype 200 heffalumps and identify two alleles (L and S) at the Mclr locus. Explanation: Traits that evolved include: horns, spots, back crest, tail crest, and dewlap (flap under the chin). While webbed feet were evolving in ancestral ducks,with each generation? text-align: center; A Yet they also have five toes on each foot that help them to move around easily on land as well. @media screen and (max-width: 480px) { .so-mobilenav-mobile + * { display: block; } .so-mobilenav-standard + * { display: none; } .site-navigation #search-icon { display: none; } } 28/5/2022 Biologists believe that ducks evolved from land birds that did not have webbed feet. The webbing in the feet works just like flippers or boat paddles. The evolutionary tree below indicates the relationships among different primate species. Add your answer and earn points. rft-jwhg-kxz, What is the characteristics exhibited by all living organism, 5 reasons why we have to classify living organism. } Life On Top, } #colophon #theme-attribution, #colophon #site-info { body.responsive #page-wrapper { Norman Jou-jou Marbury, (Rate this solution on a scale of 1-5 below), Log into your existing Transtutors account. line-height: 29px; As many years went by, the environment changed such that the aquatic food sources were much more plentiful than those on land. color: #000000; Question: Use the following passage to answer the next two questions. #masthead .hgroup .logo { B. Most ducks had more webbing on their feet than their parents. How in the world did a creature as odd as the duck-billed platypus originate? Answer: Random chance mutations led to the webbed feet trait in ancestral land birds, conferring them an adaptive advantage. This suggests that Basiolosaurus was aIn addition, modem Baleen whales have pelvic bones like other mammal species, despite the fact that these bones. } var cnArgs = {"ajaxUrl":"https:\/\/www.fondation-fhb.org\/wp-admin\/admin-ajax.php","nonce":"914110b2e1","hideEffect":"fade","position":"bottom","onScroll":"0","onScrollOffset":"100","onClick":"0","cookieName":"cookie_notice_accepted","cookieTime":"2592000","cookieTimeRejected":"2592000","cookiePath":"\/","cookieDomain":"","redirection":"0","cache":"0","refuse":"0","revokeCookies":"0","revokeCookiesOpt":"automatic","secure":"1"}; } 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? My population is of Hardy-Weinberg equilibrium and there preliminary evidence that evolution is occurring. background-color: #f5853b; 1913 Boston Braves, 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. Lamark argued that acquired characters could be inherited. Only A is correct 10/10 would recommend. text-decoration: none; Hier sollte eine Beschreibung angezeigt werden, diese Seite lsst dies jedoch nicht zu. The Regarding evolutionary mechanisms, which of the following is FALSE? } Random genetic changes and sexual recombination both created new variations. Use the following passage to answer the next two. The trait of webbed feet in ducks: (a) Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. Ducks are aquatic birds. C. The mosquito population needed to evolve DDT resistance in order to avoid extinction. D. C. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring. Ducks are aquatic birds. If you look at a duck's foot, you'll see that their toes are connected by a thin piece of skin. That's crazy, right? The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. Which of the following phrases complete the following statement? C. border-collapse: collapse; Calculate the relative fitness and selection coefficient for each genotype. 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. a. genetic drift . Q6.9. display: inline !important; #footer-widgets .widget a, #footer-widgets .widget a:visited { DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. eddibear3a and 8 more users found this answer helpful. She returned every week for 12 weeks to measure survival of tagged lizards. var ajax_sib_front_object = {"ajax_url":"https:\/\/www.fondation-fhb.org\/wp-admin\/admin-ajax.php","ajax_nonce":"cba8a458a1","flag_url":"https:\/\/www.fondation-fhb.org\/wp-content\/plugins\/mailin\/img\/flags\/"}; C. There must be a sudden environmental change. Ducks are aquatic birds. A dwarf red snapdragon in crossed with a plant heterozygous at each locus, Which of the following will be true of the offspring? margin-top: 40px; Some of the most well-known birds with webbed feet are ducks and pelicans. Q6.8. D. Trait W, Rhesus monkeys are the last common ancestor of gibbons, gorillas, and humans. } The amount of webbing on a duck's feet is a heritable trait. The feet of both male and female mallards turn bright orangealmost redin December and January as they . 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. while webbed feet were evolving in ancestral ducks quizlet. Webbed feet act as paddles, allowing the bird to move through the water with more power and efficiency. However the limitations associated with the sampling, validity, reliability and bias seem to raise concerns among scholars . Different finch species live on different islands. .tablepress tfoot th, .tablepress thead th { While webbed feet were evolving in ancestral ducks, with. (b) Appeared in ducks because of a chance mutation. C. Most ducks had less webbing on their feet than their parents. background-color: #f5853b; environment changes suddenly and survive. She returned every week for 12 weeks to measure survival of tagged lizards. But it definitely was not a duck. However, they also had lungs that they used to breathe oxygen. These transitional organisms were probably not walking, but could pull itself up onto the shore after food. Choose the correct sequence of events. Branch Acanthostega (Devonian) had actual webbed feet with toes, but a shoulder and a tail like a fish. #colophon #theme-attribution { Biol ogists believe that ducks evolved from land birds that did not have webbed feet. A. How Many Questions Can You Get Wrong. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. They were aquatic and had scales and fleshy fins. (a) Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. /*