Answer:
<u>ion channels</u>
Explanation:
The plasma membrane plays a critical role in regulating and maintaining ionic potential inside the cell, relative to ionic concentration present outside the cell. The ion channels are specific, in that they only recognize and allow particular ions to pass through and block the rest. Their opening and closing depends on the ionic potential during that time period.
 
        
             
        
        
        
 A common pioneer organism<span> in a primary </span>succession<span> is the. icº, ) - 3. The final stable state of a </span>succession is called the<span> (Mººp community</span>
        
             
        
        
        
By polishing it, it becomes more clear which becomes so Clear that you could see your reflection.
        
             
        
        
        
The population(s) would be hurt if bears were added as bears are omnivores.
<h3>How do bears get the strength vitamins they need?</h3>
Plant ingredients make up the bulk of a bear's diet – every so often as plenty as ninety consistent with cent. However, fish and meat are vital reassets of protein and fat, aleven though maximum non-coastal bears depend upon carrion (along with winter-killed animals
- The maximum usually eaten styles of flowers are fleshy roots, fruits, berries, grasses, and forbs. If bears are at the hunt, their prey can consist of fish (particularly salmon), rodents like floor squirrels, carrion, and hoofed animals like moose, elk, caribou, and deer. 
- They are particularly exact at catching the younger of those hoofed species. Grizzly bears also can goal home animals like farm animals and sheep and reason economically vital losses for a few ranchers.
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