Answer:
hope this helps
Explanation:
About 95 percent of the time, Down syndrome is caused by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
 
        
             
        
        
        
The Term is called Niche Full distance of physical and
biological setting in which an organism lives and the way in which the
organisms uses those conditions. Causing species to divide resources,
competition helps determine the number and kinds of species in a community and
the niche eacthcies occupies.
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C. It happens over a period of time not overnight
d.<span>29,035 feet mount eversest</span>
        
             
        
        
        
hydrophobic is the resistance of water (doesn’t mix). the lipid tails are hydrophobic. 
 
        
             
        
        
        
Answer:
Explanation:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP.  While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. :)