Deforestation

Question 1

Forests cover almost half, a third or a quarter of the earths land? (1)

Answer 1

A third

Question 2

Forests are home 50%, 60%, 65% or 70% of earths land animals? (1)

Answer 2

70%

Question 3

Name 4 reasons why trees are felled (cut down). (4)

Answer 3

1. To provided fuel eg fire for cooking or heating.
2. To make furniture
3. To make paper.
4. To clear land for farming crops and cattle.
5. To develop space for people to live.
6. To have logging operations

Question 4

What happens to animals and plant life in forest that are destroyed? (1)

Answer 4

The become extinct.

Question 5

What holds the soil together to prevent landslides during heavy rain or flooding? (1)

Answer 5

The roots of plants and trees.

Question 6

Without trees, water can’t be pumped into the atmosphere. This process is called?

a) Precipitation
b) Condensation
c) Transpiration
d) Photosynthesis

Answer 6

c) Transpiration.

Question 7

With fewer leaves falling to the ground due to deforestation, what is lost in the soil. (1)

Answer 7

The nutrients

Question 8

Rainforest produce 40% of the worlds _______________ oxygen. (1)

Answer 8

Atmospheric

Question 9

What can we do to make the felling of trees more sustainable? (1)

Answer 9

We can plant more trees (This protects the ecological balance).

Question 10

Name 4 effects from trees are felled (cut down). (4)

Answer 10

1. Extinction of plant and animal species
2. Less nutrients on the soil
3. Loss of oxygen in the atmosphere
4. Soil erosion during rains
5. The world becomes dryer.

Question 11

Name 3 characteristics of a tropical rainforest. (3)

Answer 11

1. They have tall trees
2. They are in warm climates
3. They have lots of rain

Question 12

Rainforest through out the world are usually found between the tropics along which latitude? (1)

Answer 12

The Equator.

Question 13

What is a canopy? (2)

Answer 13

A canopy is a layer of branches and leaves formed by closely spaced rainforest trees.

Question 14

What is the name fo all living things like animals, plants and fungi in the ecosystem? (1)

Answer 14

Biodiversity

Question 15

What does it mean when we that there is a symbiotic relationship? (2)

Answer 15

It is the relationship where two different species benefit by helping each other.

Question 16

What are the 4 layers of a rainforest starting from the bottom layer to the top layer and at what hight can they be found? (8)

Answer 16

1. Forest floor - 5m
2. Under story - 14m
3. Canopy - 31m
4. Emergent - 46m