Which statement is an ethical objection to keeping farm animals in small indoor pens?
The animals are prevented from moving around and from behaving naturally
The animals must be given food that contains a high proportion of protein
The energy transferred from the animals to their surroundings is reduced
The building that holds the animals is expensive for the farmer to heat
42 exam-style questions on AQA GCSE Biology 7.5 Food production, covering 7.5.1 Factors affecting food security, 7.5.2 Farming techniques, 7.5.3 Sustainable fisheries, and 7.5.4 Role of biotechnology. Each one has a worked solution and a mark scheme showing where the marks go.