What data would the students need to collect to calculate their index of diversity in each habitat?

Do not include apparatus used for species sampling in your answer.

Give two ways the students would have ensured their index of diversity was representative of each habitat.

1

2

Modern farming techniques have led to larger fields and the removal of hedges between fields.

Use Figure 4 to suggest why biodiversity decreases when farmers use larger fields.

Farmers are now being encouraged to replant hedges on their land.

Suggest and explain one advantage and one disadvantage to a farmer of replanting hedges on her farmland.

Advantage

Disadvantage