Tropical rainforests

Question 1

What are the characteristics of tropical rainforests ?

Answer 1

climate, soil, plants, animals

Question 2

what do you know about the climate characteristic

Answer 2

climate is the same all year round, temp is between 20-28 degrs.

rainfall is high, around 2000mm per yr

Question 3

what do you know about the soil characteristic

Answer 3

soil isnt very fertile due to heavy rain that washes nutrients away.

A thin layer of fertile soil is found at the surface where the dead leaves decompose.

Question 4

one positive economic impact of deforestation

Answer 4

logging, farming & mining create jobs

a lot of money is made from selling timber, mining & commercial farming

Question 5

one environmental impact of deforestation

Answer 5

with no trees to hold the soil together, heavy rain washes away the soil (soil erosion). This can lead to landslides and flooding

Question 6

selective logging

Answer 6

only some trees e.g older or inferior ones will be cut down. This is less dangerous to the forest than cutting all the trees.

Question 7

where is biodiversity highest in hot deserts

Answer 7

biodiversity is highest around water sources like an oasis