I did not realize that archaeology was separate from palaeontology.  I kinda thought they were the same.
How are the two different?
Well, I think it mainly has to do with the fact that palaeontologists only look at fossils.
OK, are fossils very common?
I'm not really sure, but it sure does seem to include a lot of stuff, even petrified wood and oil.
I guess anything organic could become a fossil?
Archaeology
Archaeology, or archeology, is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities. In North America archaeology is a sub-field of anthropology, while in Europe it is often viewed as either a discipline in its own right or a sub-field of other disciplines.
Archaeologists study human prehistory and history, from the development
character'. He didn't want to just bring everybody back, so that the audience go, 'Oh, look, it's Bill Fichtner again!' – he honestly thought, 'I'm not sure where to do that in the plot.' So if someday there's another chapter of this, maybe then Bill will be back. But I think the characters that are there, each of our moments that we have, are key to the storytelling, which is how it should be."
Mahone