26-37 questions.doc26-37 questions

26-37 questions.doc26-37 questions - Topic 26 1 in some...

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Topic 26 1. in some places bedding planes are completely covered with dinosaur tracks. They most often seem to occur around watering holes but may also be developed along migratory paths. These types of track occurrences are called: - dinosaur stomping grounds 2. dinosaur tracks are best preserved in sediment that was moist but not too moist. - true 3. the initial step in measuring dinosaur tracks and trackways is to measure the size and shape of individual fore (manus) and hind (pes) footprints and the angles and distances between them. - true 4. the term ______ refers to those tracks with five digits. - pentadactyl 5. the Linnaean system of nomenclature provides a uniform language of communication for scientists to refer to the same object or species. - true 6. the stride refers to the distance between successive steps, for example, the distance between the step of your right foot and your next step of the left foot. - false 7. the largest of the front prints of sauropods are more than a meter long and deep as a bath tub. - true 8. among the important measurements taken at trackways is the depth of the impression. - false 9. dinosaur tracks and trackways demonstrate that dinosaurs were diagonal walkers, meaning there is an angle between the mid-line of travel and successive right and left footprints. - true 10. dinosaurs did not drag their tail or belly, indication they walked upright with their limbs directly (or nearly so) under their body. - true 11. the term gastrolith refers to fossilized fecal material - false 12. coprolites are trace fossils representing stones that were swallowed to assist in the digestion of food - false 13. tracks of stegosaurs are extremely rare which suggests that stegosaurs were probably upland or dryland animals, rarely near wetland areas where tracks are preserved. - true 14. dinosaur tracks have been found on all continents, except _____. - Antarctica 15. more than one consecutive dinosaur track is a _____. - trackway 16. quadruped tracks generally reveal differences in the size and shape of rear and front prints. - true
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17. the heal of tridactyl theropod tracks is more rounded than the heal of tridactyl hadrosaurs tracks: - false 18. theropod tracks generally have relatively long and narrow digit impressions, each digit ending with sharp, slender claw marks. - true 19. the term pentadactyl refers to those with three digits, tetradactyl to those with five digits, and tridactyl to those with four digits. - false 20. quadruped tracks are the most common type of dinosaur tracks, suggesting that most dinosaurs walked on four legs. - false Topic 27 1. active predators tend to have a narrower range of depth perception than scavengers or ambush predators: - false 2. the crest of lambeosaurines are hollow with a complex series of tubes inside, connecting to the nose and throats. - true
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26-37 questions.doc26-37 questions - Topic 26 1 in some...

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