Mangrove Habitats Quiz

What are the four main communities of trees in mangrove habitats?

• Palm, Oak, Pine, Spruce

• Birch, Maple, Willow, Cedar

• Fir, Spruce, Cedar, Oak

• Avicennia, Sonneratia, Rhizophora,

  Bruguiera

Why do mangrove leaves have downward-pointing drip-tips?

• To increase photosynthesis

• To attract insects

• To allow excess water to drip off

• To collect rainwater

Which type of roots do Avicennia trees in the coastal zone have?

• Proproots

• Pencil-like roots

• Knee-like roots

• Cone-shaped roots

What is the purpose of pneumatophores in mangrove trees?

• To absorb sunlight

• To provide anchorage/support in unstable mud

• To store water

• To allow oxygen exchange to occur

How do mangroves reproduce in harsh environments?

• By shedding leaves

• By being viviparous

• By growing taller

• By having seeds that can germinate into propagates while still attached to the parent tree

What is the function of plank roots in mangrove trees?

• To absorb nutrients

• To provide support

• To attract pollinators

• To store food

Which mangrove tree has knee-like roots?

• Rhizophora

• Bruguiera

• Sonneratia

• Avicennia

Why do mangrove leaves have salt glands within them?

• To store water

• To secrete excess salt

• To attract birds

• To increase photosynthesis

What is the purpose of lenticels in aerial roots of mangrove trees?

• To store nutrients

• To exchange gases

• To repel water

• To absorb water

What are some adaptations of the leaves to prevent mould growth and the development of plant diseases?

• Smooth and waxy surface

• Thick and leathery

• Broad and green

• Downward-pointing drip-tips