Issues with Human Evolution Flashcards
In which part the australopitecus sediba was discovered?
In the cradle of human kind ( region in Africa in which many human and ancestor of human fossils have been found)
What is It need to be done after findig a fossil?
Learn about the geology of the fossil
Look at other fossils near the area
Understand the position of the fossil
What did sadibas’ fossil said ?
Due that It was found below q mudflow their possible dead could have been causes by a landslide.
They were two skeletons (young male and adult female: possible mother and son)
Bones are articulated and the muscles are marked in the mud: took them a not of time to die.
What did they found about sadibas foot?
Primitive and advance features in one anckle
By that It could be said that It had a unique form of bi-pedalism and climbed trees.
What sedibas’ tibia says ?
Was walking upward.
What does Sedibas’ pelvis says ?
Shape of the pelvis and emergence of derived homo-like characteristics proceed brain size expansion.
No big brain but pelvis similar to humans .
Suggests that size of pelvis doesn’t have to do with brain size.
What does sedibas’ hand suggests?
Many morphological features associated with the use of tools.
More advanced than homo habilis.
What does sedibas’ brain suggest?
Has focus area= part of the brain related to abstract thought.
Brain reorganization= brain enlargement.
What would had happened if they didn’t found the skeletons together ?
They would have thought that they were different parts of human ancestors.
What is the approximated age of sedibas?
197000-200000 years old
Which country is the birth place of humans?
Africa
