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Brain mass as a function of body mass in mammals.
Some male birds and mammals congregate in communal courting grounds called leks.
Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Villi and microvilli of the small intestine: (a) Tablet dissolves in the stomach. (b) Medication ...
Some ignition coils are electrically connected, called married (top figure), whereas others use ...