Heathland: Hakea sericea - Leaf Shape
Observe the shape of the leaves of Hakea sericea shown here at close to actual size.
How would the surface area to volume ratio of this plant's leaves compare to the ratio for leaves that form flat blades?
It would be higher
It would be lower.
It would be about the same.
try again
No. Compare the surface area to volume ratio of your fist with your open hand. Try again.
Well done! Rounded objects have a smaller surface area for the same volume compared with flatter objects. This has implications for evaporative loss.
Well done, you answered correctly. Use the 'next' button to view a cross-section of a hakea leaf.
No. Think about the surface area and volume of a sheet of paper and the same sheet rolled up tightly into a cylinder. Try again.
