Fig. 6.1 compares the alimentary canals of two mammals: an insect-eating bat, which is a carnivore, and a rabbit, which is a herbivore.
(a)[2]
Name the organs marked V and W.
(b)[3]
Explain the role played by mechanical digestion.
(c)[4]
The scientists concluded that food remains in the digestive systems of larger mammals for longer than it does in smaller mammals. Discuss the evidence from Fig. 6.2 both supporting and opposing the statement that food remains in the digestive systems of larger mammals for longer.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “V is the Stomach.” …