<span>A. Water is moving into the gummy bear because the concentration of water molecules inside the gummy bear is lower than outside.
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1. natural selection acts on existing traits because you can not evolve into something you didn't have
2. original structures evolve to accomplish new function in order to survive
HCL is guilty for triggering the release of enzymes such as pepsin which are essential for the digestion of protein. Bile contains bile acids, which are critical for digestion and absorption of fats and fat-soluble vitamins in the small intestine.
Nucleic acids would be the answer to your question