Which 4-million-year-old fossils found in Kenya and Ethiopia reveal a lower jawbone that resembles a chimpanzee, but teeth more similar to humans?H. erectusS. tchadensisO. tugenensisA. anamensis

Whose fossils were found beside thousands of stone fossil tools dated to 2.5 million years ago?A. garhiS. tchadensisO. tugenensisA. afarensis

The oldest (7 million year old) recognizable fossils ancestors that lead to humans include:Group of answer choicesAustralopithecus afarensis.Paranthropus.Sahelanthropus tchandensis.Orrorin tugenensis.

_______ fossils were found beside thousands of stone tool artifacts dated to 2.5 million years ago.Ardipithecus kadabbaSahelanthropus tchadensisAustralopithecus garhiOrrorin tugenensis

Homo Sapiens and chimpanzees share 98.8% of their DNA and are believed to have had a common ancestor 6 to 8 million years ago.  Which of the following statements is true? achimpanzee brains are larger than modern human brains bthe modern human's mouth is smaller than a chimp's cthe modern human's teeth are smaller than a chimp's dthe chimp's palate is round while a modern human's in oval shape e"A" and "C" f"B" and "C" g"A" and "D" h"B" and "D" i"A" and "D" j"A", "B", "C", and "D"

Skull/dentition characteristics of Homo sapiens