B. A. ISESCO Biologists believe that ducks evolved from land birds that did not have webbed feet. D. Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. Experiments suggest that a triangular webbed foot is beautifully . greenbean rpo durham; 2475 garrison ave port saint joe fl 32456; port orchard death notices; you are being rate limited discord phone number; why did the socs attack ponyboy and johnny line-height: 29px; Why would some animals. These transitional organisms were probably not walking, but could pull itself up onto the shore after food. B. Life On Top, width: 1500px; 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. Note that the three fly species have the following characteristics: 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. Could individuals of a species look different today than individuals of the same species did many generations ago? font-size: 12px; As many years went by, the environment changed such that the aquatic food sources were much more plentiful than those on land. B. suggest they were strong swimmers with webbed hands and feet. After many years the aquatic food sources were more plentiful and after many generations, almost all ducks had more webbing on their feet. Human The amount of webbing on a duck's feet is a heritable trait. They were therefore able to eat aquatic plants and get enough food to survive and reproduce.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.Ducks with less webbing needed to grow more webbing in their feet in order to improve their access to aquatic plants, which allowed them to survive better and reproduce more.Q6.10. Both statements are correct. /*background-color: #9ac7ee;*/ Arcaeopteryx had a dinosaur-like skeleton and feathers, while Basiolosaurus was a fully aquatic mammal that used its limbs for grasping. border-bottom: 10px solid #33ac08; Assume that there is no mutation and the population meets all othei Hardy-Weinberg conditions. Lots of leg bristles, striped wings, white eyes, D. Labyronthodonts: short-legged, large heads with flat thick skulls and teeth with a distinctive folded pattern of dentin and enamel. The DNA sequence AGG TGG GAG makes up a portion of the Agouti gene in heffalumps. Your observed data are below. While webbed feet were evolving in ancestral ducks, with each generation: most ducks had about the same webbing on their feet as 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. text-align:center; Choose all that apply. While webbed feet were evolving in ancestral ducks, with each generation: A. Their feet webbed and this trait makes : 297129. Their feet are webbed and this trait makes them fast swimmers. 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. color:#000000; Lots of leg bristles, striped wings, white eyes. 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. /* ]]> */ D. Trait W, Rhesus monkeys are the last common ancestor of gibbons, gorillas, and humans. Which of the following is the most appropriate way to determine how closely related two groups are using an evolutionary tree? 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. This is what makes a webbed foot. Choose the correct sequence of events. Numerous species in the same region must have recently become extinct. Question: Use the following passage to answer the next two questions. background: none !important; box-shadow: none !important; Hint: Remember to "count the alleles". 50% of the offspring will be pink and 50% will be red, Freshwater snails can be resistant (RR), mildly susceptible (RS) or susceptible (SS) to a parasitic worm. Individuals of this species varied in the amount of webbing in their feet, with some individuals having more webbing and some having less. According the theory of natural selection, where did the variations in body size among the three species of lizards most likely come from? While webbed feet were evolving in ancestral ducks, with each generation: Biologists believe that ducks evolved from land birds that did not have webbed feet. (d) rudimentary hip bones in some large snake species A: The left over of a transitional form (lizard to snake?) The experiment is not well designed to test the hypothesis. B. Mosquitoes in the population learned to adapt to the high levels of DDT in the environment. Only A is correct It is characterised by the fusion of two or more digits of the feet. Another locus influences flower color. How is this best explained?Ducks with less webbing worked harder than ducks with more webbing to eat aquatic plants. The amount of webbing on a duck's feet . Gibbon, orangutan, common chimpanzee, bonobo, and human, Which of the following traits (as labeled on the diagram) is shared by both orangutans and gorillas? display: block; Get it solved from our top experts within 48hrs! Most ducks had about the same amount of webbing on their feet as their parents. !function(e,a,t){var n,r,o,i=a.createElement("canvas"),p=i.getContext&&i.getContext("2d");function s(e,t){var a=String.fromCharCode;p.clearRect(0,0,i.width,i.height),p.fillText(a.apply(this,e),0,0);e=i.toDataURL();return p.clearRect(0,0,i.width,i.height),p.fillText(a.apply(this,t),0,0),e===i.toDataURL()}function c(e){var t=a.createElement("script");t.src=e,t.defer=t.type="text/javascript",a.getElementsByTagName("head")[0].appendChild(t)}for(o=Array("flag","emoji"),t.supports={everything:!0,everythingExceptFlag:!0},r=0;r */ . The hypothesis that longer horns offer greater protection against predation is NOT supported. padding: 30px auto; #colophon #theme-attribution { var wpstream_player_vars = {"admin_url":"https:\/\/www.fondation-fhb.org\/wp-admin\/","chat_not_connected":"Inactive Channel - Chat is disabled. 2. It is likely that ducks developed webbed feet because ducks need webbed feet for e cient swimming. 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. My population is of Hardy-Weinberg equilibrium and there preliminary evidence that evolution is occurring. 36 000 years ago . Use the following passage to answer the next two questions Ducks are aquatic. (b) The less successful ducks died without ospring. background-color: #f5853b; Filling a gap in the evolution of The amount of webbing on a ducks feet is a heritable trait.Q6.8. 1913 Boston Braves, The amount of webbing on a ducks feet is a heritable trait.Q6.8. A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. .metaslider .flexslider { C. Looking at the first (earliest) common ancestor of the two groups. Required fields are marked *, UNESCO Waterbirds usually have webbed feet for foot-based propulsion. Q6.1. They were aquatic and had scales and fleshy fins. color: #8f8f8f; C. Root B. (Assume that the population is in Hardy-Weinberg equilibrium. } The amount of webbing on a ducks feet is a heritable trait.Q6.8. Mutation rates increase in response to pressure from natural selection, as extra genetic variation is needed for natural selection to be effective. 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. If you look at a duck's foot, you'll see that their toes are connected by a thin piece of skin. valleybrook country club initiation fee; can d2l see other tabs open; death notices courier mail; rc car differential problems. Assuming the population is in Hardy-Weinberg Equilibrium, what percentage of pocket mice in this population are expected to be light? font-size: 16px; While webbed feet were evolving in ancestral ducks, with each generation: A. Rhesus monkeys and gorillas have stereoscopic vision, which allows them to better visually gauge distances while hunting and moving through tree canopies. Click here to get an answer to your question Plants transfer water in the water cycle c. 3600 years ago . } " /> What agents of evolution could cause a decrease in the frequency of allele b? Regarding evolutionary mechanisms, which of the following is FALSE? Lots of leg bristles, striped wings; can't tell on eye color /* ul, .entry-content > ol, .entry-content > li, .entry-content > dl, .entry-content pre, .entry-content code, .entry-content blockquote { 100 snails of each type were exposed to the parasite and the number of survivors counted: RR-80, RS-40, SS-20. } } margin: 0; Biologists believe that ducks evolved from land birds that did not have 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. or numbers? Was the final answer of the question wrong? Network of Foundations and Institutions for the Promotion of a Culture of Peace in Africa. Start studying Duck Tetrapods evolved from a group of organisms that, if they were alive today, we would call fish. B. Dinosaurs are used more than almost anything else to indoctrinate children and adults in the idea of millions of years of earth history. B. I 6491325600 While we think of mammals and reptiles as very different, at one time they shared a common ancestor, says Wes Warren of the Washington University School of Medicine in St. Louis. hamburguer vegano 9/10 Ratings 78118 Happy Students Chapter 7 Test Algebra 1 Answers. Most ducks had more webbing on their . The amount of webbing on a duck's feet is a heritable trait.Q6.8. Which of the following is true? Solving for a side in right triangles with trigonometry (video) If you have an angle and the side opposite to it, you can divide the side length by sin () to get the hypotenuse. June 16, 2022. In the last 24 hours, the maximum exchange rate of 100 USD to USDT stands at and the lowest exchange rate at . Cutaneous webbed feet are frequently referred to as simple webbed feet. 2). 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. School University of Illinois, Urbana Champaign; Course Title BIOC 110; Uploaded By DrElectron5206. iWhich of the following is true? This creature lays eggs like a reptile, has venom like a reptile, spurs like a chicken, excretes milk from belly patches to nurse its young, has fur that glows, webbed feet like a duck, and uses its sensor-filled duck-like bill to find aquatic prey like paddlefish do since it swims with its eyes closed. .epyt-gallery-thumb { What were the genotypes of the parent plants? While completing these calculations, you will determine the expected frequency of each genotype. The percentage of different colored water hoatmen eaten by fish were graphed relative to the frequency of that color in the population. C. Most ducks had less webbing on their feet than their parents. Which of the following pairs of graphs illustrate what would happen if all individuals suddenly began to engage 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 . B. The Tether (USDT ) future price will be 1.039 USD. In a pocket mouse population in Arizona, the D allele makes up 80% of the allele pool. In fact, they're such a nifty adaptation that they evolved, independently, in several bird groups. Module 5 7.6 (questions 6-9) 6. Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. background-color: #eee; d. homoplasy . Ducks are aquatic birds. text-align: center; A. #footer-widgets .widget { width: 25%; } While webbed feet were evolving in ancestral ducks: (a) With each . 50% have white flowers and the wrinkle-seed trait and 50% have white flowers and the round-seed trait. logstash create indexthe white princess henry and lizzie fanfiction. a. genetic drift . The primary use for webbed feet is paddling through water. The dodo is the tragic symbol of bird extermination. Webbed feet act as paddles, allowing the bird to move through the water with more power and efficiency. Your classmate crosses two pea plants but can't remember what their genotypes were. A major difference among finch species is in their beaks: both size and shape vary greatly.Assume that a population of one of these finch species is undergoing evolution by natural selection with respect to beak size and shape. The 14 species of finches on the Galapagos Islands evolved from a single species that migrated to the islands several million years ago. var _EPYT_ = {"ajaxurl":"https:\/\/www.fondation-fhb.org\/wp-admin\/admin-ajax.php","security":"58ef36594c","gallery_scrolloffset":"20","eppathtoscripts":"https:\/\/www.fondation-fhb.org\/wp-content\/plugins\/youtube-embed-plus\/scripts\/","eppath":"https:\/\/www.fondation-fhb.org\/wp-content\/plugins\/youtube-embed-plus\/","epresponsiveselector":"[\"iframe.__youtube_prefs_widget__\"]","epdovol":"1","version":"13.4.2","evselector":"iframe.__youtube_prefs__[src], iframe[src*=\"youtube.com\/embed\/\"], iframe[src*=\"youtube-nocookie.com\/embed\/\"]","ajax_compat":"","ytapi_load":"light","pause_others":"","stopMobileBuffer":"1","vi_active":"","vi_js_posttypes":[]}; Due to chance mutations, all the ducks' feet in the next generation had more webbing. What can you conclude from the researcher's results? . Most ducks had more webbing on their feet than their parents. Assume that a population of one ofihese finch species is undergoing evoluiFby natural selection with What changes occur gradually over time -that-indieate-the-population is evolving? [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 . UNESCO Chair distance and displacement from position. Get plagiarism-free solution within 48 hours, Your solution is just a click away! Ducks are Their feet are webbed and this trait makes them fast swimmers. The hypothesis that longer horns offer greater protection against predation is supported. She returned every week for 12 weeks to measure survival of tagged lizards. American Water Spaniel. 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. /*

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