Biological factors affecting food security - Edexcel

1

Food security is reduced by which of these?

2

Monoculture is the growing of what?

3

What is a pathogen?

4

What can the overuse of fertilisers in intensive farming lead to?

5

Why do farmers keep cattle in small pens?

6

How have some countries tried to preserve fish stocks?

7

What types of fishing nets have been introduced to protect fish?

8

What are the consequences of global warming?

9

An increase in the greenhouse gas methane will do what to the temperature of the earth?

10

Which of these will decrease as a result of intensive farming?