Answer:
The answer is if the niches of two organisms were moved to the other ecosystem they would compete with one another for the same food and other resources in the environment. Eventually, one species would be likely to outcompete and replace the other.
 
        
                    
             
        
        
        
Much like a thermostat regulates the temperature inside your home the hypothalamus regulates your body temperature. (hopefully that'll help a little. all i could find)
        
                    
             
        
        
        
Answer: Between 8 and 14
Explanation: Ammonia is an inorganic compound of formula NH₃. Also known as ammonium hydroxide, it behaves as a weak base.
pHydrion paper is a chemical test indicator, i.e., it indicates the pH of a substance. 
If inserted in Ammonia, pHydrion will indicate a range of 8 to 14 because in pH scale, indication of base is over 8 and up to 14. The exact number depends on the hydrogen ion concentration of the substance.
 
        
             
        
        
        
I’m guessing . . . 
1. Roses
2. Stamens
3. Bone
4. Heart