Sec 1 Chapter 5 Part 1

Name layers A, B and C

• Vibrant, Umbrella, Shaded

• Emergent, Umbrella, Understorey

• Emergent, Canopy, Shrub

• Emergent, Canopy, Undergrowth

What are the characteristics of tropical rainforests?

• Evergreen

• Sparse vegetation

• Large biodiversity of plants and animals

• 3 vertical layers

The amount of vegetation in the undergrowth layer is

• sparse

• dense

What is the purpose of drip-tipped leaves?

• allow rainwater to collect

• to allow rainwater to drip off

• to allow the leaves to absorb more water

• to allow the leaves to remain cool

How do broad leaves adapt to the environment?

• Maximise sunlight captured to feed the plant

• Maximise sunlight captured to photosynthesise

• Maximise sunlight captured to increase the length of the leaf

• Maximise sunlight captured to make food

Waxy leaves adapt to the environment by helps to reduce the amount of water vapour that it loses to the atmosphere through

Mangroves are located in places warmer than ________ degrees celsius

What type of roots help Rhizophora plants adapt to the coastal environment?

• Cone

• Prop

• Knee-Bend

• Pencil

How do pencil roots help mangrove plants to the coastal environment?

• Allow roots to take in oxygen

• Ensure that food and nutrients are absorbed from the soil

• Anchor plants to waterlogged soil

• Act as a shield for strong waves

How do salt secretors adapt to coastal environment?

• Evaporated salt solution leaves behind crystals on leaves, which are removed by wind or rain

• Deny intake of salt

• Deposit salt in older leaves, which shed