The correct answer is anticodon
        
             
        
        
        
Answer:
Factor analysis is a collection of techniques employed to explore underlying latent variables or factors which influence the outcomes on a number of measured variables. 
hope it helps 
Thank you
 
        
             
        
        
        
<span>Vascular  is it i think =)</span>
        
             
        
        
        
Organs or skeletal elements of animals and organisms
        
             
        
        
        
Answer:An inherited, natural selection.
Explanation: Adaptation is the process through which living organisms develop mechanisms this mechanisms may be Inherited to enable them survive competition and other prevailing circumstances. Which can also be environmental, climatic factors etc.
Adaptation helps to ensure the principle of NATURAL SELECTION,where organisms which have been able to develop similar mechanisms or have natural mechanisms that has enabled them to survive the prevailing circumstances in the habitat.