The four-million-year-old fossilized skeleton known as Lucy is so small compared with many other skeletons presumed to be of the same species, and so some paleontologists have argued that Lucy represents a different lineage.
The four-million-year-old fossilized skeleton known as Lucy is so small compared with many other skeletons presumed to be of the same species, and so some paleontologists have argued that Lucy represents a different lineage.
presumed to be of the same species, and so
presumed to be of the same species that
presumed that they are of the same species, and so
that they have presumed to be of the same species, so that
E.that they have presumed are of the same species, and