Answer:
crab and lobster
Explanation:
they have the most similar genetic background
 
        
             
        
        
        
Answer:
primary succession takes longer 
Explanation: 
Primary succession is built from the ground up, whereas secondary succession is built from an already existing civilization.
 
        
             
        
        
        
Homologous pairs, Eg. X and Y
One pair in paternal and the other in maternal, obtained during Meiosis.