We don’t know everything about our early ancestors—but we keep learning more! Paleoanthropologists are constantly in the field, excavating new areas, using groundbreaking technology, and continually filling in some of the gaps about our understanding of human evolution.
Below are some of the still unanswered questions about H. rudolfensis that may be answered with future discoveries:
1. Was Homo rudolfensis on the evolutionary lineage that evolved into later species of Homo and even perhaps our species, Homo sapiens?
2. Are Homo rudolfensis and Homo habilis indeed different species, or are they part of a single, variable species? Or was one the ancestor of the other?
3. Are Homo rudolfensis fossils more like australopithecines than other Homo fossils, as some scientists have suggested?
4. How big was Homo rudolfensis? Was this species sexually dimorphic?
- Smithsonian National Museum of Natural History, Human Origins Program: http://humanorigins.si.edu/evidence/human-fossils/species/homo-rudolfensis
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