Answer:
This statement is False.
Explanation:
A shared apo-morphy which differentiate a clade from other organisms is called synapomorphy. In simple words, members of monophyletic group shares an apomorphy which indicate the presence or absence of certain organs from clade.
For example, loss of legs in snakes is an important  synapomorphy.
 
        
             
        
        
        
The pectines on a male scorpion is longer because they also use it to find a female to mate with.
        
             
        
        
        
Testosterone and oxytocin