An outdoor research pond contains freshwater shrimp. During summer, researchers fit shade sails above the pond. The sails reduce the amount of sunlight reaching the water.
Suggest how fitting the shade sails could increase the population of freshwater shrimp in the pond.
83 exam-style questions on AQA GCSE Biology 7.2 Organisation of an ecosystem, covering 7.2.1 Levels of organisation, 7.2.2 How materials are cycled, 7.2.3 Decomposition, and 7.2.4 Impact of environmental change (HT only). Each one has a worked solution and a mark scheme showing where the marks go.