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The similarity of bone structure in the forelimbs of many vertebrates is an example of what?
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- Among other bones, the axial skeleton includes the_____. a. thoracic cage and vertebral column b. thoracic cage and pectoral girdle c. skull and pelvic girdle d. pectoral and pelvic girdlesOne of the special qualities of vertebrate bone is that it is a living tissue that permits continuous remodeling. Explain how the structure of bone allows this remodeling to happen.In the hips of modern birds the pelvic bone is _____. angled posteriorly because birds descended from dinosaurs with pelvic bones oriented posteriorly angled anteriorly because birds descended from dinosaurs with pelvic bones oriented anteriorly angled posteriorly even though they evolved from dinosaurs with anteriorly angled pelvic bones
- In your own words, Elucidate the potential reasons why there were changes in the bone structure of the vertebral columns of birds and humans? Enumerate two reasons.This question may be completed independently or as a group discussion. Use the skeleton diagram above to help you visualize the different bone shapes in the human body. Why are short bones well suited to an area like the wrist? Why are long bones more suited to areas like the lower arm? View keyboard shortcutsCompare the bat to the bird. Where is the bat's ulna? Are there any remnants of it? How is the bat's wing membrane supported by its skeleton? Be precise. Does a bird's wing work in the same way? How many metacarpals and digits ("fingers") does it have? (This is all just one question on comparing the bat to the bird)
- Explain thoroughly the possible reasons for the purpose did the changes inthe vertebral columns' bone structure of humans and birds. provide three reasonsHow do the “types of vertebrae” change throughout the evolution of vertebrate taxa, from fish (2 types) to amphibians(4 types)? Relate those changes to the functional demands on the skeleton—changes related to the move from water to land, need for support, locomotion.Why do adult humans have tail bones? 
- A human forearm, a horse's front leg, a bat's wing, and a porpoise's flipper have similar bone structure. What conclusions can we draw from the similarities in bone structure between these mammals? a. Such homologies do not exist in other areas of the vertebrate skeleton. b. Similarities among vertebrate forelimbs suggest they evolved from a common ancestor. c. Similarities among vertebrate forelimbs suggest they have evolved convergently. d. The anatomy of the vertebrate forelimb is not currently undergoing natural selection. e. Differences among vertebrate forelimbs suggest that they evolved independently.Suggest key roles that mineralized bone might have played in early vertebrates.What are the possible causes of differences in the bone structure of the vertebral columns in birds and humans? Make a list of two reasons.
