Answer:
The moon's gravity pulls at the Earth, causing predictable rises and falls in sea levels known as tides. 
The strong tug from the Moon influences the tides, animal life particularly in the intertidal zone would have to adapt fast.
The mood stabilizes earth
 
        
                    
             
        
        
        
Answer: (A) the time that two species have been evolving independently.
Explanation: The molecular clock is figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when<u> two or more life forms.</u>
 
        
                    
             
        
        
        
Answer:
Explanation:
The tar located in the La Brea tar pits is today a fossil fuel that began its formation many hundreds of millions of years ago from the bodies of marine organisms. During the last ice age that ended a few tens of thousands of years ago, some animals got trapped in the tar and left their bones behind. They are not something that created it but only got trapped in preexisting tar. 
 
        
                    
             
        
        
        
Answer:
the loss of other alternatives when one alternative is chosen.