Geo 113: Part 2

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Author:
dante01
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222364
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Geo 113: Part 2
Updated:
2013-06-05 17:03:19
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  1. Herpetofauna
    • -reptiles and amphibians
    • -colonized land 350mya
    • -first amphibians 300mya-
    • dominated earth for 100 million years
  2. Class Amphia
    • -the Amphibians: 4,200 species
    • -breath through skin
    • -amplexus: males fertilize eggs as they come out of the female
    • -need water during some phase of their life
    • -identify frog species by jaw bones
  3. Threats to Amphibians
    • -primitive, don't adapt very rapidly
    • -habitat destruction: ruins water quality
    • -increase in UV light
    • -Fungus: chytridiomycosis - 30% are infected
    • -acid rain
    • -viruses
  4. Hylidae
    • -tree frog:Agalychnis callidryas
    • -Poison dart frog: Dendrobates
  5. Tree frog
    • -Agalychnis callidryas
    • -suction cups on fingers
    • -live in Bromeliads
    • -restricted to the Americas
  6. Poison Dart frogs
    • -Dendrobates
    • -skin secretes a neurotoxin when agitated
    • -bright colors
    • -only in the New World
  7. Threat of turtles
    1/3 of the 266 turtles species are threatened with extinction
  8. Squamata
    • -scaled reptiles
    • -lizards and snakes
    • -2,800 species of snakes
  9. Squamata Natural history
    -185 million years old
  10. Class Reptilia
    • -Dry skin with scales
    • -water resistant skin
    • -better lungs-cold blooded-amniotic egg
    • -8224 species
    • -Australia has the most species of reptiles
  11. Gecko
    • -Gekkonidae
    • -usually nocturnal
    • -great climbers
  12. Basilisk
    -can run on water for 20m
  13. Boas, Pythons, Anacondas
    • -catch and crush prey, digest them whole
    • -Boas and anacondas: new world
    • -pythons: old world
  14. Coluridae
    • -speciated to fill every niche
    • -hemipenis: distinct morphology
    • -"red on black, friend of jack"
  15. Coral snake
    "red on yellow kills a fellow"
  16. Crocodiles vs Alligators
    • -alligators have short, broad snout (U-shaped).
    • -crocs have narrow snout (V-shaped)
  17. Alligator: Natural History
    • digs hole and buries eggs in the soil.
    • -warmer degrees male (90-92),
    • -cooler degrees female. (82-89)
  18. Borneo: Flying herps
    • -Malaysia
    • 1. FLYING DRAGON LIZARDS
    • 2. A KUHL’S FLYING GECKO
    • 3. PARADISE TREE SNAKES
  19. Poisonous snake capital of the world
    Australia

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