4.7.5.1 Factors Affecting Food Security

Question 1

Food security:

Answer 1

having enough food to feed a population

Question 2

Biological factors which are threatening food security:

Answer 2

• the increasing birth rate has threatened food security in some countries
• changing diets in developed countries means scarce food resources are transported around the world
• new pests and pathogens that affect farming
• environmental changes that affect food production, such as widespread famine occurring in some countries if rains fail
• the costs of agricultural inputs
• conflicts that have risen in some parts of the world which affect the availability of water or food

Question 3

What must be found to feed all people on Earth?

Answer 3

sustainable methods must be found to feed all people on Earth