A is the answer
a replication fork
        
             
        
        
        
Answer:
both  pasta look like snail shells
 
        
             
        
        
        
Answer:
Species
Explanation:
species
The smallest unit of this hierarchical categorisation is species while the largest unit is kingdom.
 
        
             
        
        
        
Pros is that it helps water stay in one place and it also makes water more easily accessed for future use. The cons is animals can have less space to live and the overflow of water can occur which means flooding.