Advantages:
- It brings a unique species
-muktiple offspring that evolve in a fast time
Disadvantages:
-It takes two people
- It takes time
Hope this helps :)
 
        
             
        
        
        
Answer:
temperature and whether they are polar or non-polar
Explanation:
 
        
             
        
        
        
Plankton is at the bottom of a food chain. Think of a pond. Mosquito larvae are in a pond. They eat the plankton. Small fish eat the larvae. Larger fish eat those smaller fish and the chain keeps going..BUTTT it all started with the PLANKTON. Without the plankton the whole food chain would be messed up and everything would start dying.. No plankton, no larvae, no small fish..and so on..
        
             
        
        
        
People with O+ blood cannot donate their blood to negative blood types, while people with O- blood can donate to any blood type. This makes them the "universal donor." However, they can only receive O- blood.