50% will be heterozygous. 50% will be homozygous. 75% will have the same phenotype as their parents.
 
        
        
        
1.) It is True that when a cell is put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. 
2) It is False that a when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. 
3) It is True that when a cell is out into a hypotonic solution, there is net movement.
4) It is False that the movement of any solvent across a semi-permeable membrane is called osmosis.
        
             
        
        
        
It was the type of diversity that had to do with the niche depending on which niche you are is the amount of varaiaton in your gene pool
        
             
        
        
        
Answer:
If it´s not A then choose C
Explanation
If they were land animal and could not swim then the only logical reasoning would be that the two pieces of land drifted apart from each other and the fossils were in between them and that´s why they ended up in the ocean.