6. According to a new study published in the Proceedings of the National Academy of Sciences, what animals might have accompanied migratory humans across the Bering Land Bridge?

the answer is b)3/8x+1

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.