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
The deer mouse and the African elephant represent extremes among mammals of r versus K selection.
Shown eating. Cougars are ambush predators, feeding mostly on deer and other mammals.
cysteine biosynthesis in mammals
Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ...
The origin and spread of modern H. sapiens, reconstructed from genetic and fossil evidence.
Evidence of past whole-genome duplications