Evidence from ancient skeletons suggests that the first mammals appeared over _______________ million years ago, whereas the earliest primates first evolved approximately _______________mill ion years ago.
a. 200/65
b. 265/150
c. 175/65
d. 100/5
Question 2
Which technique of making tools involves the preparation of a striking platform at one end of a specially prepared core, after which three or four long, triangular flakes are detached, leaving a nodule shaped like a tortoise shell?
a. Oldowan
b. Acheulian
c. Paleoindian
d. Levalloisian
e. Mousterian
Examples of sensory receptors in the skin of mammals.
While numerous subspecies of the jaguar have been recognized, recent research suggests just three. G
The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
Hierarchy of evidence
Socrates (470–399 B.C.E.) was an Ancient Greek philosopher often called the "father of ...
The origin and spread of modern H. sapiens, reconstructed from genetic and fossil evidence.