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.
Invasive species provide an example of predator pressure.
Bluehead wrasse males with yellow females of the species. If the blueheaded male is removed from a t
Zebras are several species of African equids (horse family) united by their distinctive black and wh
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Four Butterflies, Two Species
Some threatened and endangered species