Tropical Rainforests

Question 1

Layers of the rainforest - bottom to top

Answer 1

Soils
Shrub and ground (0-10m)
Lower canopy
Middle canopy
Top canopy

Question 2

Distinctive characteristics of rainforests

Answer 2

Highest biodiversity of any biome.
Soils iron rich, infertile due to rapid nutrient cycling. (Due to heavy rainfall + leaching, plant uptake, fast decomposition)
Hot and humid

Question 3

Is the rainforest ecosystem fragile?

Answer 3

Yes. Small changes such as deforestation or water pollution can impact the whole ecosystem.

Question 4

Why should tropical rainforests be protected?

Answer 4

Biodiversity- contain more than half world species
Climate change- absorb co2
People- indigenous tribes
Medicine -25% come from rainforests

Question 5

How can rainforests undergo sustainable commercial management

Answer 5

Selective logging and replanting
Eco tourism- sensitive to the environment, local culture and traditions and benefits humans living in the surrounding area.