Examlex
Which of the following elements is the most electronegative?
Foramen Magnum
A large opening in the base of the skull through which the spinal cord passes to connect to the brain.
Spinal Cord
In vertebrates, the dorsal, tubular nerve cord.
Archaic Humans
Early forms of Homo species, such as Homo neanderthalensis and Homo heidelbergensis, that share some characteristics with modern humans but also have distinct anatomical differences.
H. Heidelbergensis
A now-extinct species of archaic human from the Middle Pleistocene, known from fossils found in Europe, Africa, and possibly Asia.
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