Author Question: According to Partial Replacement Models, modern humans first appeared in Africa a. and interbred ... (Read 101 times)

fahad · **on:** Jul 10, 2018

According to Partial Replacement Models, modern humans first appeared in Africa

a. and interbred with pre-modern populations of Eurasia, thus partially displacing them.
b. and remained there until modern humans from Asia displaced them.
c. about 500,000 years ago.
d. but were later displaced by European Neandertals.
e. gave rise to several subspecies in Africa, Europe and Asia

Question 2

Which of the following has NOT been proposed as a model to explain the origin of modern Homo sapiens?

a. An origin in Africa followed by migration to other areas where indigenous pre-modern populations were replaced.
b. An origin in Africa followed by migration to other areas where both interbreeding and replacement occurred.
c. Several origins in different areas where modern forms evolved from local populations.
d. Separate origins in Africa and Australia with migrations from both these areas to displace all other populations.
e. Neandertals and Denisovans mix gave rise to H. sapiens