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Terrestrial plants and animals can be characterized by analogous pathways for water gain and loss.
Lampreys (sometimes also called lamprey eels) are a family of jawless fish
Creede, Colorado, circa 1890, a rough silver mining town that grew from 660 people in 1889 to over 1
Values, both those held by individuals and those that represent a nation or people, can undergo deep ...
In middle childhood, children are increasingly able to understand other people’s thoughts, ...
Two woodcuts from Darwin’s 1872 book, The Expression of Emotions in Man and Animals, that he used ...