Their feet webbed and this trait makes : 297129. In the diagram below, the four living lizard species on the right are descended from the extinct common ancestor on the left. } Click here to get an answer to your question Plants transfer water in the water cycle c. 3600 years ago . Biologists believe that ducks evolved from land birds that did not have webbed feet. Experiments suggest that a triangular webbed foot is beautifully . Other sets by this creator Building a stainable future 30 terms Jessica_JuerkePlus Test #4 Biology R 21 terms Jessica_JuerkePlus Test #4 Biology 16 terms Jessica_JuerkePlus Lab #7 19 terms Ducks are aquatic birds. or numbers? This website uses cookies to improve your experience. 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. Horned lizards use their horns to defend against predatory birds. window.lsow_fs = {can_use_premium_code: false}; font-size: 20px; C. Looking at the first (earliest) common ancestor of the two groups. In a population of 10,000 rabbits the initial frequency of W in the pool was 0.7. Given the results above, I understand that there a statistically significant difference between my observed and expected values. D. Trait W, Rhesus monkeys are the last common ancestor of gibbons, gorillas, and humans. The experiment is not well designed to test the hypothesis. [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 . These sweet pooches were bred to handle the icy waters and the marshy banks of the Great Lakes region in the US. Fly species 2: red eyes, lots of leg bristles, striped wings Q6.8. 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