Biology class. Must be 250 words must cite work.
Paleontologists say that anatomically modern humans may have at one time shared the Earth with as many as three other closely related types - Neanderthals, Homo erectus and the dwarf hominids. Read Are humans still evolving? If we are still evolving, what might our species look like in a millennium? Do stem-cells, environmental pollution and biotechnology play a role in our future evolution? Read and comment on your classmates' posts.