When a Stickleback fish feels threatened, it will flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow them. 
        
                    
             
        
        
        
The expected growth mark marker for a 6 month old infant is that the infant can transfer objects from hand to hand, rolls from prone to supine, sits well unsupported, presents with stranger anxiety, and that the patient can babble.
 
        
        
        
Answer:
true
Explanation:
any force can be added to make a stationary object move. but if it was balanced then it would just stay in position
if there is 100N of force going towards the object, and you are pushing the object with 100N force. It  will not move. 
 
        
             
        
        
        
Answer:
Predator-prey relations are an important driving force to improve the fitness of both predator and prey. In terms of evolution, the predator-prey relationship continues to be beneficial in forcing both species to adapt to ensure that they feed without becoming a meal for another predator.
Explanation:
Hope this helps!!
 
        
             
        
        
        
Answer:
ATP
Explanation:
Adenosine triphosphate is an organic compound and hydrotrope that provides energy to drive many processes in living cells