Question

how can i construct a dichotomous key that can be used to identify the following: mango leaf, tridax procumbent leaf, cassia leaf, grass leaf, and cassava leaf.
Magolego patience
Study the investigation into transpiration in leaves provided below.each leaf was treated as indicated in the diagram below. Dorsal surface,vental surface test leaf,negative control leaf and pisiti control leaf.state the aim and hypothesis for the investigation