Which of the following options does not correctly describe an adaptation or mechanism for efficient gas exchange in bony fish?
The thin lamellae epithelium and capillaries minimize the diffusion distance.
A concurrent flow system ensures a concentration gradient of oxygen is maintained across the entire length of the lamellae.
Multiple gill filaments and lamellae provide a very large surface area for diffusion.
Coordination of the buccal cavity and operculum maintains a continuous flow of oxygenated water over the gills.
34 exam-style questions on OCR A A Level Biology Exchange surfaces. Each one has a worked solution and a mark scheme showing where the marks go.