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

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

Approximately how far back do the oldest fossils that we KNOW are actual fossils date to?Group of answer choicesA half billion years after the Archaean eonA half billion years before the Hadean eonA half billion years into the Hadean eonA half billion years after the Hadean eon

What name is given to the remains of organisms that lived many years ago, found in rocks?

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

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