(c) James results are shown in the table below.
Amount of Light (hours)
0
5
10
Number of Duckweed Plants after 1 Week
1
3
7
(i) Describe how increasing the amount of light affects the number of duckweed plants.
(ii) Explain why increasing the amount of light has this effect on pondweed plants.
(Q7 Total marks = 8)