Answer:
Bed D is the oldest
Explanation:
Hope this helps also the bed that are on the lowest portion is always the oldest layer.
 
        
                    
             
        
        
        
A population with a lot of genetic variation would likely have more phenotypic variation; therefore, such a population would more likely have individuals that can adapt to a changing environment. mutation can result in new alleles on chromosomes. ... this is the same effect that genetic drift can have on small populations.
        
             
        
        
        
Active transport is the process in which substances are absorbed against a concentration gradient, i.e. from a lower to a higher concentration.
        
             
        
        
        
Answer:
Competition between individuals of different species is known as interspecific competition.