10.3: Species diversity and human activities

Question 1

Complex communities

Answer 1

Ecosystems developed over time.

Question 2

Direct effect on habitats of farming

4 examples

Answer 2

• Removal of hedgerows
• over grazing
• monocultures
• filling in ponds

Question 3

Indirect of farming on habitats

3 examples

Answer 3

• use pesticides+ inorganic fertilisers
• escape of slurry
• no crop rotation/ intercropping

Question 4

Conservation techniques for farming

5 examples

Answer 4

• maintain/create hedgerows
• crop rotation w/ nitrogen fixing crop
• create/maintain ponds
• create meadows
• no draining of fields