The genetic change in a population or species over many generations is evolution. Whether it be physical or mental increase.
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this tree tells us that the amnion is found in mammals, lizards, snakes, crocodiles, and birds
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Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.
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Answer: Amoeba are living even though they have one cell
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