4.7.3.1 Biodiversity

Question 1

Biodiversity:

Answer 1

the variety of all the different species of organisms on earth or within an ecosystem

Question 1

What does a high/great biodiversity ensure?

Answer 1

ensures the stability of ecosystems by reducing the dependence of one species on another for food, shelter and the maintenance of the physical environment

Question 2

What does the future of the human species on Earth rely on?

Answer 2

relies on us maintaining a good level of biodiversity

Question 3

What are many human activities doing?

Answer 3

many human activities are reducing biodiversity and only recently have measures been taken to stop this reduction

Question 4

How is the impact of human activities on biodiversity changing and why?

Answer 4

• increasing as the population is increasing
• more resources are being used and more waste is being produced