Analyses of the vertebral canals of the Nariokotome skeleton suggests that in Homo erectus
A) the canal dimensions in the thorax were similar to those of monkeys and apes
B) the nerve connections to the rib-cage were much less extensive than in modern humans
C) the fine control of breathing needed for speech may have been lacking
D) all of the above
E) none of the above
Question 2
The hereditary information of an individual constitutes it
A) physiology
B) phenotype
C) hybridotype
D) genotype
E) mutotype
