Answer:
Only Water, Oxygen, Nitrogen and ammonia
Explanation:
 
        
             
        
        
        
We can do brain scans and things that help us diagnose sickness
        
             
        
        
        
Answer: C) The event at the end of the Triassic Resulted in the extinction of fewer fauna’s then in any other period
Explanation:
Looking at the graph, the event at the end of the Triassic resulted in the smallest dip in the amount of fauna in the graph. This means that this event resulted in the extinction of fewer faunas than any of the other five major events. 
Option A is wrong as the event at the end of the Devonian decreased the number of Cambrian fauna. 
Option B is wrong as the event at the end of the Cretaceous resulted in a decrease in the Paleozoic fauna. 
Option D is wrong because the event that resulted in the Extinction of more fauna’s then in any other period was the event at the end of the Permian. 
 
        
             
        
        
        
Answer:
check explanation
Explanation:
If you are talking about adapting to an environment then yes, like how we train to strengthen our muscles to get stronger. If you mean by evolving then no, a single organism can not evolve their traits in a lifetime, like a human can't naturally grow gills to breathe underwater