Biodiversity and the effect of human interaction on ecosystems - Edexcel

1

What is the range of plants and animals in an ecosystem known as?

2

What is meant by the term extinction?

3

What does deforestation mean?

4

Deforestation leads to?

5

Why is the human population growing each year?

6

Eutrophication is caused by which of these?

7

What happens to the oxygen levels during eutrophication?

8

Which of these is a greenhouse gas?

9

Deforestation followed by burning of the trees will release which gas into the atmosphere?

10

Which of these ecosystems would have the highest level of biodiversity?