The difference at a deeper depth would be water pressure crushing down on them
Nucleoplasm (a gel like substance)
Gastroesophageal Reflux Disease (GERD) ...
Gallstones. ...
Celiac Disease. ...
Crohn's Disease. ...
Ulcerative Colitis. ...
Irritable Bowel Syndrome. ...
Most organisms either directly or indirectly use energy from the sun to survive, but not all of them. Plants and some microbes use the energy from the sun to perform photosynthesis.
I think you forgot to give the options related to the question. So it becomes a bit hard to answer the question perfectly, still i would do my best and hope that it comes to your help. Prior to the ideas presented by Charles Darwin concerning evolution, several alternating theories had been developed and they included all but the DNA differences within a species lead to some individuals being better able to survive. This theory was developed after Darwin came up with his theory..