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  • Tooth Marks On Fossilized Bones Of Triceratops
    1,201 words
    Ever since the first dinosaur fossil was unearthed by Robert Plot in 1676, dinosaur fever has infected almost everyone. Dinosaurs captivate us not only because of the enormous size that some of them attained, but because of their extraordinary diversity. Encompassing such astonishing creatures as the fearsome Tyrannosaurus rex, the majestic Triceratops and the cunning raptors, dinosaurs are truly fascinating. From such fascination many questions arise. How were the dinosaurs able to survive for ...
  • Bones Of The Mammalian Middle Ear
    2,932 words
    Transitions of Reptiles to Mammals A long long time ago, in a galaxy not too far away, was a little blue planet called Earth, and on this world not a single mammal lived. However a lot of time has past since then and we now have lots of furry creatures that are collectively called mammals. How did they get their? Where did they come from? These are the kinds of questions that led me to my subject of choice. I will endeavor to provide examples, using specific transitional fossils, to show that ma...
  • Plant Fossils From La Brea
    1,745 words
    Geology of La Brea Tar Pits Background The La Brea Tar Pits, located near Hollywood, California, contain one of the worlds greatest troves of Pleistocene fossils. Over one million bones have been recovered to so far. Dating from 38,000 BC to 8,000 BC, the bones represent more than 420 species of animal, including saber tooth tigers, dire wolves, and 140 species of plants. Geologic History Leaves and grass blew across the tar, forming a thin top layer identical to the surrounding ground. Unsuspec...
  • Barn Owl Pellets From Eastern Oregon
    2,855 words
    Comparing the Feeding Habits of Barn Owls and Screech Owls Background Owls are comprised of two closely related families in the avian order Strigiformes-the barn owls, or Tytonidae, and the typical owls, or Strigidae. Owls are relatively large birds, with a big head and short neck, a hooked beak, talons adapted to seize prey, and soft, dense plumage adapted for swift yet almost silent flight. Owls have large eyes located on the front of their face. The eyes are almost fixed in their sockets, so ...
  • Bony Plate Armor
    466 words
    The Armadillo is Armadillo Armadillo The Armadillo is a very different creature. It has tremendous claws, but no fighting instinct. They have teeth, but not in front, except for the milk teeth some have during infancy. They have long tongues because they catch insects. A strange thing which these animals have is a coat armor, unique among other animals. They have bony plate armor on the outside of their bodies'. Each species has a different pattern for every little plate they carry. They all are...

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