Deforestation of tropical rainforests

Look at Fig. 3a in the Resource Booklet.

Identify two features of this tropical rainforest flora and explain the purpose of one of the features.

Look at Fig. 3b in the Resource Booklet.

Choose one statement that describes why the sub-soil in the rainforest soil profile has a thick red layer.

A Iron oxides are present which are red

B It contains high amounts of organic matter

C The red layer is weathered from red rocks

D The soil is always waterlogged

Write the correct letter in the box

Give one reason to explain why rainforests have soils which are nutrient rich in the upper part of the soil profile.

Suggest one way in which human activity could influence the upper part of the soil profile.

CASE STUDY

Sustainable management of an area of tropical rainforest

Name of tropical rainforest area........

Evaluate the success of one attempt to sustainably manage an area of tropical rainforest.

Look at Fig. 1a and Fig. 1b in the Resource Booklet.

Describe the location of the Amazon rainforest.

Compare the location of Manaus with other cities in Brazil.

Deforestation is the permanent and rapid clearance of a forest, usually by the cutting down or burning of trees.

Look at Fig. 2 in the Resource Booklet.

State how much forest was lost in 2008.

Describe the pattern of deforestation in the Amazon rainforest between 2002–2020.

Look at the graph below, showing population growth in Manaus, 2010–2021.

Complete the graph above for 2020–2021 using the data in the table below.

Calculate the percentage change in total population between 2010–2011 and 2020–2021.

You must show your working.

Look at the population data above.

Calculate what proportion of Brazil’s population are living in the city of Manaus.

Look at Fig. 3 in the Resource Booklet.

Explain why people may choose to migrate to the city of Manaus.

Look at Fig. 4 in the Resource Booklet.

Give two pieces of evidence from the photographs to show the consequences of rapid urban growth.

Explain the impact on the city of Manaus if migration continues to increase.

Look at Fig. 5 in the Resource Booklet.

The Amazon rainforest is a vast natural environment containing a wide variety of resources that humans use.

* Using Fig. 5, and your own understanding, assess the value of the Amazon rainforest as a natural resource for human use.

Look at Fig. 6 in the Resource Booklet.

Describe two impacts of deforestation on the Amazon rainforest ecosystem.

Look at Fig. 7 in the Resource Booklet.

Explain why flooding is becoming an increasing risk to the people that live in Manaus.

Look at Fig. 8 in the Resource Booklet.

4* 1. Examine the reasons why the President of Brazil wants to develop the Amazon rainforest.

2. Suggest how the proposed developments may impact on the city of Manaus.

Spelling, punctuation and grammar and the use of specialist terminology (

Study Fig. 2 in the separate Resource Booklet, which shows the Trans-Alaska oil pipeline in North America.

Using Fig. 2, identify one environmental impact of resource extraction in Arctic Polar regions.

Study Fig. 3 in the separate Resource Booklet, which shows a climate graph for a polar region location.

Select the correct temperature range shown on the graph.

A –31 °C

B 3 °C

C 34 °C

D 68 °C

Write the correct letter in the box.

Calculate the total annual precipitation for this polar region location.

Explain how climate and plants are interdependent in tropical rainforest ecosystems.

Study Fig. 4 in the separate Resource Booklet, which shows an aerial view of rainforest deforestation.

Estimate the amount of deforestation that has taken place in Fig. 4.

2000 m² A

12 000 m² B

20 000 m² C

32 000 m² D

Write the correct letter in the box.

CASE STUDY – sustainable management of an area of tropical rainforest

Name of case study........

Assess the attempts to sustainably manage an area of tropical rainforest.

Identify the correct definition of a hot desert ecosystem.

A a continuous canopy of trees, a cool climate with distinct seasons

B harsh climate, low biodiversity, thin soils, plants with long tap roots

C short, warm summers and long, cold winters, high rainfall, spiny plants

D too much rain for trees to grow; low-growing grasses provide food for grazing animals

Write the correct letter in the box.

The graph below shows the amount of Cambodia’s forest cover lost between 2001 and 2016.

Use the data below to complete the scattergraph.

Select the correct description of the pattern shown by the graph.

A directly proportional correlation

B negative correlation

C no correlation

D positive correlation

Write the correct letter in the box.

Deforestation is the removal of trees from land to make room for something besides forest.

Suggest two reasons for the deforestation of tropical rainforests.

Study Fig. 6 in the separate Resource Booklet, which shows a cartoon about Earth Day in 2035. Outline the message given by this cartoon.

Explain the impacts of human activity on either the Antarctic or Arctic ecosystem.