You will complete ten required practical activities if you are studying GCSE Biology and twenty-one if you are studying GCSE Combined Science. You could be asked questions about the methods, safety precautions you might take, results and conclusions of these experiments.
In this Ecology section thereis one core practical activity:
Edexcel questions courtesy of Pearson Education Ltd.
Describe how a student could use a calculated mean to estimate the total number of daisy plants in a field. [2 marks]
Leguminous plants have nodules on their roots that have colonies of nitrogen-fixing bacteria.
Clover is a leguminous plant.
Describe how a quadrat could be used to sample the population of clover in a 500m2 field. [3 marks]
To receive full marks, you must include the following points: