The Table shows the world human population from 1950 to 2025.
Table
| Year | World human population in billions |
|---|---|
| 1950 | 2.5 |
| 1975 | 4.1 |
| 2000 | 6.1 |
| 2025 | 8.2 |
Describe the trend shown in the Table.
Calculate the increase in the world human population between 1950 and 2025.
An increase in the human population is one factor that affects food security.
Give two other factors that can affect food security.
As countries become wealthier, people in these countries eat more meat.
Explain why eating more meat reduces food security.
127 exam-style questions on OCR GCSE Biology 6.2 Feeding the human race, covering 6.2.1 Biological factors affecting food security, 6.2.2 Agricultural solutions to growing demand, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, 6.2.5 Steps in genetic engineering, 6.2.6 Benefits and risks of gene technology in agriculture, and 6.2.7 Biotechnological solutions to growing demand. Each one has a worked solution and a mark scheme showing where the marks go.