Aвс DEF Gscalesfur/ scalesspikeshornshornsclawsfeathershaira) Which trait(s) did the most recent common ancestor of dragons A and B have?[[ Select ]b) Which trait(s) appear to be the result of convergent evolution? [ Select ]c) Which trait(s) does dragon D have? [Select ]d) Which taxa is most closely related to dragon B? [ Select ]f) True or false? The clade formed by dragons D, E, and their most recent common ancestor ismonophyletic [ Select ]e) Which trait(s) did the most recent common ancestor of dragon species A and E have?[ Select ]

The phylogenetic tree is representing evolutionary relationship between hypothetical organisms.

Answered: A B C DE ttur/scales F G

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Imagine that you have the DNA sequences fromthe intron of a gene in three species called A, B,and C. Species A and B are most closely related,while C is more distantly related. The sequencesof A and B differ by 18 base pairs, A and C differby 26 base pairs, and B and C differ by 28 basepairs. Fossils show that species A and B divergedabout 1.2 Mya, but there is no fossil evidence asto when the most recent common ancestor ofall three species lived. Use the genetic data toestimate that date. What assumptions are youmaking to get this estimate?
of this =rab or ditions ionary escen- se or 5. Describe two examples of vestigial structures that you can find among the Caminalcules. These are structures that have been reduced to the point that they are virtually useless. Ear muscles and the tail bones are examples of vestigial structures in our own species. Explain how vestigial structures provide clues about a species' evolutionary past. Illustrate your argument with vestigial structures found in humans or other real species.
Mammals, like humans and apes, have 5 digits on their fore and hind limbs. Modern horses have 1. How might you recontrust the ancestral state of mammal tow number?a) investigate the number of toes on all extant horses and apesb) investigate the number of toes for other mammals and use parsimony to deduce the ancestral statec) investigate the number of toes for an outgroup that is closely related to mammals, for example reptiles or amphibiansd) either b or ce) all of the above
To test evolutionary hypotheses, you make a phylogeny of a group of organisms based on six traits: A B 1 2 E 5 2 1= singing 2= nest-building 3 = short legs 4 = hollow snout 5= crest J L M 6 = tree dwelling a) Based on your phylogeny, did hollow snouts evolve to allow singing? Explain your answer. b) Your friend wants to put all of the species that have hollow snouts into a single taxonomic group. Is this a good taxonomic group? Explain your answer. 4.
. The upper forelimbs of humans and bats have fairly similarskeletal structures, whereas the corresponding bones inwhales have very different shapes and proportions. However,genetic data suggest that all three kinds of organisms divergedfrom a common ancestor at about the same time. Which ofthe following is the most likely explanation for these data?(A) Forelimb evolution was adaptive in people and bats, butnot in whales.(B) Natural selection in an aquatic environment resulted insignificant changes to whale forelimb anatomy.(C) Genes mutate faster in whales than in humans or bats.(D) Whales are not properly classified as mammals.
World's shortest man dies in Italy 2010/03/16 11:14:00 http://www.thestar.com/news/world/article/780490-world-s-shortest-man-dies-in-italy ROME-The world's LK shortest man has died in Italy, where he was to take part in a TV show, the program's production company said Tuesday. He Pingping, of China, who was 2 feet, 5.37 inches (74.6 centimetres) tall, had become a recognized figure across the world, often taking part in shows, photo shoots and other events, Guinness World Records said. In a file picture taken on Jan. 14, 2010 the shortest man in the world He Pingping,. left holds onto the finger of the world's tallest man, Sultan Kösen during the launch of the Guinness World Records live roadshow in Istanbu. MUSTAFA OZERIAFPIGetty Images
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4) What makes Archeopteryx an important fossil evolutionarily? A)This species has a mix of characters that suggest it was a "transitional" species between two large groups, dinosaurs and birds. B)This species is the oldest known, universally agreed upon, fossil of life, and therefore tells up what the common ancestor to all living things might have been like. C)This species has a mix of characters that suggests is was a "transitional" species between two large groups, fish and amphibians. D)This species is thought to be the last common ancestor between chimps and humans, and therefore is the root of our own specific group (homonins).
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4.)What definite characteristics shows relatedness of birds beak in terms of evolution and extinction? a.)the size of the beak changes due to the climate of a particular area. b.)the size of the beak changes due to their behaviour. c.)the size of the beak changes due to the availability of food in the environment. d.)the size of the beak remains the same 5.)Why do organisms with close biochemical similarities show stronger evolutionary relationship? a.)They have similar pattern during their early stage of development. b.)They possess same vestigial structure that made their evolutionary relationship closer. c.)They have varied and different ancestry. d.)They have a common ancestor and have the same kind of protein.

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