Some researchers believe that H. rudolfensis was a separate species that was contemporaneous with
A. Ardipithecus.
B. H. habilis.
C. H. sapiens.
D. Gigantopithecus.
E. Au. anamensis.
Question 2
Analysis of large samples of human mitochondrial DNA has led some researchers to hypothesize that
A. all modern humans are descended from Neandertals in Western Europe.
B. all current human mitochondrial DNA comes from one woman who lived in Africa some 200,000 years ago.
C. all modern humans are descended directly from chimpanzees and gorillas, but not from orangutans.
D. all modern humans are not descended from robust australopithecines.
E. all H. erectus populations around the world eventually evolved into populations of H. sapiens.
Relationship between body size and seed size in Galapagos finch species
The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Flowchart to determine if a species is autotroph, heterotroph, or a subtype
Three queens, fertile females in species that have a reproductive division of labor.
Similar-looking, related species that are native to distant geographic realms