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6.1 Monitoring and maintaining the environment

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Question 8
F

African elephants are hunted for their ivory tusks.

In 1989, an international ban on trading ivory was agreed.

The Figure shows the estimated number of African elephants in one country between 1970 and 2010.

Figure

image

a.

Give the number of elephants in 1985.

[1]
b.

Calculate the percentage decrease in the number of elephants between 1970 and 1990.

Give your answer to the nearest whole number.

[2]
c.

Describe and explain the change in the number of elephants after 1990.

[2]
d.

Some elephants are still killed illegally for their ivory.

Suggest two reasons why it is difficult to stop this.

[2]
Markscheme

6.1 Monitoring and maintaining the environment Questions

  1. GCSE
  2. /Biology
  3. /6.1 Monitoring and maintaining the environment

109 exam-style questions on OCR GCSE Biology 6.1 Monitoring and maintaining the environment, covering 6.1.1 Field investigation of distribution and abundance, 6.1.2 Human interactions and biodiversity, 6.1.3 Maintaining biodiversity, and 6.1.4 Environmental change and distribution of organisms. Each one has a worked solution and a mark scheme showing where the marks go.

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