1.
By becoming proficient at making Oldowan stone tools, scientists could demonstrate that the
earliest stone tools were spheroids.
original makers were probably right-handed most of the time.
original makers were probably left-handed most of the time.
original makers must have been modern humans.
2.
Scientists have established that Oldowan flakes were
primarily a waste product of making Oldowan tools.
useful for a wide range of functions, including butchering animals.
accidental by-products of using round cobbles for various purposes.
primarily used for hunting large game like elephants.
3.
Homo erectus possessed some primitive characteristics of earlier hominids, including
a chin.
narrow postorbital constriction.
a high forehead.
large browridges.
4.
With food sharing comes increased paternal care. Therefore, what other characteristic do we expect to evolve with this pair of traits?
increased sexual dimorphism
smaller brains
increased male–male competition
decreased sexual dimorphism
Q.1 ) By becoming proficient at making Oldowan stone tools, scientists could demonstrate that------
Earliest stone tools were spheroids
Q.2 Scientists have established that Oldowan flakes were---useful for a wide range of functions, including butchering animals.
Q.3 Homo erectus possessed some primitive characteristics of earlier hominids, including
Larger, shelf-like brow ridges
Angled occipital region with torus
Sagittal keel
Q.4
With food sharing comes increased paternal care. Therefore, what other characteristic do we expect to evolve with this pair of traits?
Decreased sexual dimorphism
1. By becoming proficient at making Oldowan stone tools, scientists could demonstrate that the earliest stone...