Sand Dunes Ecosystem Quiz

What are the two main factors required for the formation of sand dunes?

• Rocky soil and sunlight

• Grass and trees

• Loose sand and prevailing wind

• Loose soil and water

What is the process known as that leads to the formation of sand dunes?

• Evaporation

• Succession

• Pollination

• Erosion

What type of vegetation is usually found in the embryo dunes?

• Shrubs

• Cacti

• Spiky grass called marram

• Deciduous trees

At what stage of the sand dune's life do we start to see more of the surface covered by vegetation?

• Forb dunes

• Embryo dunes

• Grey dunes

• Yellow dunes

What is the main characteristic of the mature dunes?

• No vegetation at all

• Completely covered in shrubs

• Mostly sand with sporadic grass

• Covered in grass with no visible sand

What is a slack dune?

• A dune completely cut off from the supply of wind and sand

• A dune with no vegetation at all

• A dune with the most fragile vegetation

• A dune with the tallest trees

What happens to the water table in a slack dune?

• It disappears completely

• It goes below the ground level

• It remains at the same level

• It goes above the ground level

What type of community is found in the mature dunes?

• Tropical rainforest community

• Temperate deciduous woodland community

• Desert community

• Grassland community

What is the main source of nutrients for the vegetation in the mature dunes?

• Decaying plants

• Water

• Sunlight

• Sand

What is the main factor that leads to the development of taller dunes?

• Increased sand supply

• Increased water supply

• Increased sunlight

• Decreased wind