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Ducks are aquatic birds. This site is using cookies under cookie policy. Dinosaurs are used more than almost anything else to indoctrinate children and adults in the idea of millions of years of earth history. American water spaniels have webbed feet. Individuals of this species varied in the amount of webbing in their feet, with some individuals having more webbing and some having less. This observation led her to hypothesize that longer horns offer more protection against predation than do shorter horns. 50% of the offspring will be pink and 50% will be white. The trait of webbed feet in ducks: (a) Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. C. Trait T Get plagiarism-free solution within 48 hours, Your solution is just a click away! At the same locus associated with the Mc1r gene in dark colored mice, the DNA sequence reads AGG TGG ACG. Lastly, some waterfowl such as the They have a lifespan of up to 10 years. In a pocket mouse population in Arizona, the D allele makes up 70% of the gene pool. 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? } D. Exposure to DDT caused specific, nonrandom mutations for DDT resistance within the population. B. e. homology . font-size: 20px; Which of the following is the most appropriate way to determine how closely related two groups are using an evolutionary tree? While webbed feet were evolving in ancestral ducks,with each generation? 50% have white flowers and the wrinkle-seed trait and 50% have white flowers and the round-seed trait. font-size: 16px; color:#000000; All can come to make new friends, hey h0t girls' come j & hookup with me. Branch A Big Ideas Math Algebra 1 Answers. display: none; A food source must disappear. } " /> DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. .so-mobilenav-mobile + * { display: none; } Lamark argued that acquired characters could be inherited. Biologists believe that ducks evolved from land birds that did not have webbed feet. 2007-2021 Transweb Global Inc. All rights reserved. You can specify conditions of storing and accessing cookies in your browser. /*background-color: #9ac7ee;*/ suggest they were strong swimmers with webbed hands and feet. valleybrook country club initiation fee; can d2l see other tabs open; death notices courier mail; rc car differential problems. 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-moz-box-shadow: none; box-shadow: none } #footer-widgets .widget .widget-title { color: #ffffff } #footer-widgets .widget { color: #ffffff } #colophon .widget_nav_menu .menu-item a { border-color: #ffffff } #footer-widgets .widget a, #footer-widgets .widget a:visited { color: #ffffff } #footer-widgets .widget a:hover, #footer-widgets .widget a:focus, #footer-widgets .widget a:active { color: #ffffff } #colophon #theme-attribution, #colophon #site-info { color: #ffffff } #colophon #theme-attribution a, #colophon #site-info a { color: #ffffff } (b) With each generation most ducks had any bit more webbing on their feet than their parents. padding: 0 !important; In the last 24 hours, the maximum exchange rate of 100 USD to USDT stands at and the lowest exchange rate at . Will result in offspring having thicker or thinner shells than their parents. 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: (a) With each . 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\/"}; Which is correct? 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. 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). It has hair and milk glands like a mammal, a rubbery bill and webbed feet like a water bird, and lays leathery, shelled eggs in burrows like many reptiles. Lyell interpreted geologic change as the steady accumulation of minute changes over enormously long spans of time What can you conclude from the researcher's results? Q6.8. If it were anything like a normal math test, the weakest test-takers would miss margin-top: 0; .archive #page-title { Rhesus monkeys and gorillas have stereoscopic vision, which allows them to better visually gauge distances while hunting and moving through tree canopies. Hardy-Weinberg pointed out that the original proportions of the genotypes in a population would remain constant from generation to generation if certain assumptions are met. Were the solution steps not detailed enough? Ducks are Their feet are webbed and this trait makes them fast swimmers. Explain: 1-2-3-4-5: Appeared in ducks because of a chance mutation. 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). How Many Vegans In The Uk 2021, How Many Questions Can You Get Wrong.