Cuz they combine during fertilization and since 2 halves = 1 whole, u get gametes w a full number of chromosomes
        
             
        
        
        
Answer:
An explosion of a star= Supernova 
The dense remains of a star= Neutron star 
A large mass of gas and dust= Nebula 
Explanation:
 
        
                    
             
        
        
        
Prokaryotic cells do not have membrane bound organelles. Eukaryotic cells do have membrane bound organelles. The membrane controls movement in and out of the cell. ... The cytoplasm fills the space between the nucleus and the cell membrane.
 
        
             
        
        
        
The best and most correct answer among the choices provided by the question is the fourth choice "<span>Measure the amount of energy in the phytoplankton and the amount of light entering the aquarium. Then measure the amount of energy in the phytoplankton after exposure to the light and determine the difference." </span><span>I hope my answer has come to your help. God bless and have a nice day ahead!</span>