Question

Use the diagram of the leaves below to construct dichotomous keys. Identify the steps you followed to identify leaves O, P, Q, R and S  

Answer 1

1. 1. Leaf simple……. Go to 2;
   2. Leaf compound……. Go to 3
2.  
   1. Leaf with a serrated margin …………………. S;
   2. Leaf with a smooth margin….. go to 4
3.  
   1. Leaf with three leaflets…………………P
   2. Leaf with more than three leaflets……………Q 
4.  
   1. Leaf with a pointed apex………………………… R(
   2. Leaf with a rounded apex……………………..R

      Leaf	Steps
      O  P  Q  R	1a,2b,4a;   1b,3a;  1b,3b;  1a,2b,4b;