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- rulong Thyreophora ttacosa (ex. Triceratops) Ornithopoda Ceratopsidae Sauropoda (ex. Allosaurus) Yutyrannus Allosauroidea (ex. Tyrannosaurus) Oviraptorosauria Deinonychosauria (ex. Velociraptor) Tyrannosauridae Integument ´Ornithischia Scales = 0 Maniraptora Filaments = 1 Theropoda Saurischia Branched Filaments = 2 The tree above is a simplified version of the prevailing hypothesis of the relationships between various dinosaurs and dinosaur groups. The legend on the bottom left reflects three basic conditions that describe the character that pertains to body covering (or integument). The conditions that pertain to the specific taxa at the top of the tree are shown by the numbers. Dinosauria Trace the integument character along the tree (you may want draw it out on a separate sheet of paper). Once you have done that step, consider the ancestor of all dinsoaurs. What character condition did you get? Crocodiles Pterosauria O (ex. Pteroda O (ex. Stegosaurus) Kul indadromeus Psaurus (ex.…Characterized by a pelvis with the pelvic bones radiating from the center Ichthyosaurs Plesiosaurs Ornisthicians Pterosaurs SaurichiansNimravids Skeleton vs Siberian Tiger Skeleton vs Smilodon Necator SkeltonCompare and contrast the appearance of specific bones in the skeleton. Compare the skeleton of the extinct creatures with the extant creature, and with themselves. How might the variation in anatomy link to the likely function? Compare species' skeletal anatomy based on life history (aquatic vs terrestrial). What are other interesting factors noted in the skeletons?
- Figure 15.33 Which of the following statements about common features of chordates is true? a. The dorsal hollow nerve cord is part of the chordate central nervous system. b. In vertebrate fishes, the pharyngeal slits become the gills. c. Humans are not chordates because humans do not have a tail. d. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.Amniotes are divided into three groups based on their skull mor-phologies. What are these three groups, and how do their skulls dif-fer? Which living amniotes, if any, originated from each of these three groups?An antorbital fenestra and external mandibular fenestra are synapomorphies of archosaurs * true false
- 6. Compare the overall body plan of the prawn to that of an insect like a grasshopper (see drawings below). Provide a complete side-by-side analysis of the two groups that would include body regions, and appendages. Focus your comparison on how the two groups have adapted uniquely to their environment. MacBook ProHoplophoneus primaevus Skeleton vs Siberian Tiger Skeleton vs Smilodon Necator SkeltonCompare and contrast the appearance of specific bones in the skeleton. Compare the skeleton of the extinct creatures with the extant creature, and with themselves. How might the variation in anatomy link to the likely function? Compare species' skeletal anatomy based on life history (aquatic vs terrestrial). What are other interesting factors noted in the skeletons?Match the characteristic to the most general vertebrate group associated with those characteristics. lung usually transformed into swim bladder secretion of milk 1. Cyclostomata (Agnatha) no hinged jaw 2. Osteichthyes fur covering body surface 3. Tetrapoda lungs and 4 limbs 4. Reptilia (excluding Aves) gills covered by operculum 5. Aves hollow bones and feathers 6. Mammalia 7. Amphibia respiration through lungs and skin 8. Chondrichthyes bone-like tissue only present in teeth and scales covered in keratinous scales 4
- 1) describe the four distinguishing characteristics of chordata a d the structural, functional, and reproductive adaptations throughtout the group 2) discuss the evolutionary history of hominins and homo sapiens, relating our species to other ales other primates and other mammalsAmniotes are descended most closely from which of the following groups O reptiliomorphs O lepospondyls O batrachomorphs sauropodomorphs Vertebrates possess all the following synapomorphies except which? * O bone O ventral nerve cord O vertebrae O expansion of anterior nerve cord craniumMATCHING taxonomic terms Cephalochordata [ Choose ] [ Choose ] urochordata lancelet hemichordata sea squirt those with some form of cartilage or bony protection around brain Gnathostomes crinoids Osteichthyes all craniates with jaws acorn worm Craniates all deuterostomes with notochords all vertebrates with bone