<span>The muscle at the end of the esophagus is not able to close, which allows stomach acid and digested food to go back up into the esophagus. </span>
        
                    
             
        
        
        
When the structure and function of an organism adjusts to its environment it is adapting.
        
             
        
        
        
Answer:
1. True
2. True
3. False, they have 46
4. False, they inherit traits from both parents
5. True
6. False, rice has 12 pairs of chromsomes and flies have 4 so not all orangisms have the same number of chromosomes
7. True (not too confident with this one though)
8. False, a body cell has 46 while gametes have 23
9. False
10. True
Explanation:
 
        
             
        
        
        
Reduce the use of items like paper towels, plastic wraps, bottled water, and newspaper.
Reuse. Items like Tupperware containers, metal water bottles, and grocery bags can be reused for multiple times.
Recycle. Items like glass bottles, plastic can, and aluminium cans can be collected and being reprocessed into new containers.