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6. What species of plant are found in grey fixed dunes?

  • sea holly, red fescue
  • thistle, bramble, bracken
  • water mint, rushes and weeping willow
  • marram grass

7. What is the correct order a sand dune is formed in (from coast in inland)

  • embryo dune, yellow dune, fixed grey dune
  • fixed grey dune, embryo dune, yellow dune
  • yellow dune, embryo dune, fixed grey dune
  • embryo dune, fixed grey dune, yellow dine

8. A sand dune is only able to form when which two things are present?

  • obstacles to limit sand movement, longshore drift
  • expanses of dry sand, biological weathering
  • strong on-shore winds, obstacles to limit sand movement
  • precipitation, soft rocks

9. What are blowouts evidence for?

  • biological weathering
  • over use by humans
  • over use by animals
  • longshore drift

10. What is the cause of the coloring of yellow sand dunes?

  • Lack of plants
  • Lack of sea water
  • Lack of humus
  • Lack of rain