What is the theory proposed by Relethford called?
a. Mostly out of Africa
b. Complete replacement
c. Partial replacement
d. Regional
e. Complete
Question 2
According to Partial Replacement Models, modern humans first appeared in Africa
a. and interbred with premodern 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.
The endosymbiosis theory
Some male birds and mammals congregate in communal courting grounds called leks.
Platycnemididae are a family of damselfly called white-legged damselflies.
H. erectus migrated out of Africa beginning about 1.8 million years ago and is first known from Geor
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
Complete Lifecycle of a Frog