Which two type of cells are requiered during the process of osteogenesis?

True to the fact it is actually false

North carolina ranks second in christmas tree production has nothing to do with biotechnology

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

Species, populations, community, ecosystem, biome, biosphere.