Oxygen,carbon,nitrogen and hydrogen hope this helps
        
             
        
        
        
Ddddddddddddddddddddddddddddddd
        
             
        
        
        
Controls the movement of substances in and out of cells<span>. The basic </span>function<span> of the </span>cell membrane<span> is to protect the </span>cell<span> from its surroundings.
</span>
        
             
        
        
        
I believe the answer is: <span>Spores are released into the environment and grow into male and female gametophytes.
This Phase happens after </span>a haploid egg cell is fertilized by a haploid <span>sperm and then released to the environment. . This will result on Double sites of chromosomes that held by each parent (</span><span>grow into male and female gametophytes.)</span>