Other questions in this quiz

2. an external mould has what features of the shell?

  • mostly hard parts
  • soft parts only
  • External features
  • interal features

3. What replaces the fossil material in silicification?

  • Silica Dioxide
  • Sulfur
  • Iron Pyrite
  • Carbon

4. What are exceptional methods of preservation?

  • carbonisation and silicification
  • Tar and pyritisation
  • Amber and Tar
  • carbonisation and amber

5. in replacement what does unstable aragonite change to?

  • silica
  • it doesn't change
  • Calcite
  • Carbon

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