Answer:
Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and more than those less adapted to their environment. For example :treefrogs are sometimes eaten by snakes and birds
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Cough, runny nose, inflamed eyes, sore throat, fever, and a red, skin rash.
The iris focuses light rays before they enter the posterior portion of the eye
All the cells in a person's body have the same DNA and the same genes. However, the difference between cells in different tissues and organs is that the "expression" of the genes differs between cells. Expression means that the message from the DNA is being copied and made into protein.
