Explanation:
I hope the diagram will help remember A always pairs with T and C always pairs with G. u can also remember as Apple Tree and Car Garage. :)
 
        
             
        
        
        
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Clumped dispersion. In a clumped dispersion, individuals are clustered in groups. A clumped dispersion may be seen in plants that drop their seeds straight to the ground—such as oak trees—or animals that live in groups—schools of fish or herds of elephants.
        
             
        
        
        
Answer:
The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Explanation:
 
        
             
        
        
        
The neuron, or nerve cell, is the basic functional unit of the nervous system