page 05 7. Subspecies of the wren (Troglodytes troglodytes) have evolved in different island areas in Scotland. The graphs show averages of body length, wing length and body mass for wrens from the islands of St Kilda, Shetland and Fair Isle. 60 50 40 30 20 10 0 12 10 8 6 4 2 0 12 10 8 6 4 0 2 average body length (cm) average body mass (g) average wing length (mm) sub-species sub-species sub-species Fair Isle Fair Isle Fair Isle Shetland Shetland Shetland St Kilda St Kilda St Kilda Which of the following conclusions can be drawn from this data? A Shetland and Fair Isle wrens have a greater average wing length and body mass than St Kilda wrens B St Kilda and Fair Isle wrens have a greater average body length and wing length than Shetland wrens C St Kilda wrens are smaller in each characteristic than the other two subspecies D Fair Isle wrens are larger in each characteristic than the other two subspecies [Turn over