Could you elaborate more?
Your body may do several things to decrease the amount of water. This includes sweating, urinating, or even vomiting. Too much water could also cause stomach cramps.
Answer - Theory
Reasoning - Your best bet and term to describe the evolution by natural selection is theory as to still scientific theory/research is still ongoing and changes can be made in a different direction.
Answer:
abnormal development or growth especially of cells.
Answer:
Why are embryos used in medical research?
Stem cells can be obtained at the early stages of embryo development; these cells are called human embryonic stem cells (hESC). They also could be used in research to develop drugs to treat serious diseases, or to repair organs following a stroke or heart attack.