A farmer compares turkeys reared in a heated barn with little space to turkeys reared outdoors.
Which observation would support an ethical objection to using the heated barn?
The barn-reared turkeys use less energy for muscle movement.
The barn-reared turkeys convert more food into body biomass.
The barn-reared turkeys show more signs of stress.
The farmer receives a higher selling price for the barn-reared turkeys.
87 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.