Succession year 12

What is one of the adaptations of the plants in the embryo and fore dunes to survive in their environment?

• Having thin leaves to lose moisture quickly

• Being tall to catch more sunlight

• Having waxy leaves to retain moisture and withstand winds

• Having shallow roots to spread out quickly

Which of the following is NOT a characteristic of the sand in the embryo and fore dunes environment?

• Sand builds up against pioneer plants

• Sand is acidic

• Sand has poor water retention

• Seaweed deposits contribute to humus

What is the term used to describe the initial dunes that are formed by sand accumulation and vegetation?

• Transient dunes

• Permanent dunes

• Embryo dunes

• Mature dunes

Which of the following is NOT a feature of the Marram grass found in Yellow Dunes?

• Salt tolerance

• Thrives on being buried by sand

• Has rolled leaves to increase moisture loss

• Has long tap roots

What happens to marram grass as grey dunes become older?

• It becomes more abundant

• It becomes sparse and competes better

• It becomes sparse and surface lichens give a grey appearance

• It turns into heather

Where do dune slacks occur?

• On top of dune ridges

• In low lying hollows between dune ridges

• In mountainous regions

• Along riverbanks

When is the water table especially high in dune slacks?

• In summer

• In winter

• In spring

• In autumn

Which type of plants are commonly found in dune slacks?

• Drought-resistant plants

• Salt-loving plants

• Moisture-loving plants

• Sun-loving plants

Due to human interference, which type of vegetation is rarely seen on dune systems in the UK?

• True mixed woodland climax vegetation

• Tropical rainforest vegetation

• Deciduous forest vegetation

• Coniferous forest vegetation

What type of community do most dune systems develop into?

• A community of aquatic plants and algae

• A community of desert cacti and shrubs

• A community of heathland, woody perennials, and scattered trees

• A community of grassland and herbaceous plants