The structures allow the cell to perform specific functions.  
 
        
                    
             
        
        
        
Answer:
A lot of birds sing or dance to attract their mates or show off their beautiful colors. Fireflies flash their lights to attract females.
Explanation:
See answer above.
If you can please make my answer the brainliest that would be much appreciated. Thanks!
 
        
             
        
        
        
When a spider weaves a web, this is an innate, or instinctual action. A spider needs no training from other spiders (including its parents) to know how to spin a web.