Tracks and trace fossils

Card Set Information

Author:
Ninimew
ID:
275135
Filename:
Tracks and trace fossils
Updated:
2014-05-22 23:58:40
Tags:
geo bio
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Description:
;3
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  1. track dimensions
    • foot length
    • foot width
    • digit lengths
    • digit widths
    • digit divarication angles
  2. trackway dimensions
    • pace length
    • stride length
    • oblique pace length
    • inter-pes distance
    • pace angulation
    • pes divarication
  3. A footprint is not the natural mold of a morphological structure but is, instead, __
    the record of that structure in dynamic contact with a plastic substrate
  4. Synapsids arose from the __ period
    Carboniferous
  5. Diapsids arose from the __ period
    late Carboniferous
  6. Anapsids arose from the __ period
    Permian

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