One common adaptation is 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.Most ducks had more webbing on their feet . .layout-full #colophon { Progressive changes in the fossil record are evidence for evolution because: they show inheritance of characteristics acquired within a generation, There is substantial evidence that descended from a hooved, terrestrial ancestor. border-bottom: 10px solid #33ac08; } Your email address will not be published. A. She returned every week for 12 weeks to measure survival of tagged lizards. 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?Shell thickness does not evolve in the population.Shell thickness evolves for some snails in the population.Shell thickness increases for all snails in the population.Average shell thickness in the population evolves over several generations.Q6.2. A Fly species 1: white eyes, lots of leg bristles, striped wings padding: 0 20px; Could individuals of a species look different today than individuals of the same species did many generations ago? The amount of webbing on a duck's feet is a heritable trait. (Hint: First, find the location on the tree of the most recent common ancestor of rhesus monkeys and gorillas.) })(); Humans, moles, horses, dolphins and bats forelimbs are all used very differently, however the sequence and arrangement of bones is the same because the species share a common ancestor. Does the question reference wrong data/report
The common ancestor of Anseriformes possessed non-webbed feet. background-color: #87cefa; 2003-2023 Chegg Inc. All rights reserved. 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.Q6.8. You genotype 200 heffalumps and identify two alleles (L and S) at the Mclr locus. Different finch species live on different islands. B. Campylobacter jejuni will be effectively treated for the next 2-5 years. while webbed feet were evolving in ancestral ducks quizlet. What agents of evolution could cause a decrease in the frequency of allele b? This intervention was designed to allow students to confront any potential issues with their non-scientific reasoning while providing the opportunity to construct a scientific understanding of natural selection. A researcher observed that lizards living in areas with predatory birds have longer horns than those in areas with no predatory birds. D. Get the live rate with our exchange calculator, a . Birds that inherited the beneficial random mutations associated with the webbed feet trait had more chances to survive and reproduce, passing this trait to the next generations. B. Parent ospring regressions show that parents and ospring have similar trait values for traits with ___ heritability i ts that parents with larger trait values (more webbing) are more successful at reproducing, not that their ospring have more webbing than they did. The amount of webbing on a duck's feet is a heritable trait. A. Regarding evolutionary mechanisms, which of the following is FALSE? Biologists believe that ducks evolved from land birds that did not have webbed feet. font-size: 16px; /* */ line-height: 29px; Big Ideas Math Algebra 1 Answers. While webbed feet were evolving in ancestral ducks: (a) With each . While webbed feet were evolving in ancestral ducks, with each generation: A. /* ]]> */ 1973-2017 Fondation Flix Houphouet-Boigny pour la Recherche de la Paix. Dark coat color (D) is completely dominant to light coat color (d) in the pocket mouse. For example, Baleen whales have a pelvic bone that serves no obvious function, an example of a ____________. C. [CDATA[ */ Biologists believe that ducks evolved from land birds that did not have webbed feet. Assume all other Hardy-Weinberg assumptions hold, and that there are only two alleles. This observation led her to hypothesize that longer horns offer more protection against predation than do shorter horns. Their feet are webbed and this trait makes them fast swimmers. 189. What Channel Is Barnsley Match On Today, The webbing in the feet works just like flippers or boat paddles. color: #000000; The figure (above) illustrates how two genes, Mclr and Agouti, influence coat color in field mice. While this mechanism for evolutionary change was discredited, Lamarcks ideas were an important influence on evolutionary thought. Most ducks had more webbing on their feet than their parents. Most ducks had more webbing on their feet than their parents. The Tether (USDT ) future price will be 1.039 USD. Filling a gap in the evolution of The amount of webbing on a ducks feet is a heritable trait.Q6.8. 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. 8. BeLogistics | Best WordPress theme for logicstick companies. Appeared in ancestral ducks because they lived in water and needed webbed feet to swim. 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.