Many researchers hypothesize that modern humans have derived from the Homo ergaster populations that spread around the world starting about 2 million years ago. This hypothesis is known as the:
A. out-of-Africa hypothesis
B. into-Africa hypothesis
C. multiregional hypothesis
D. uniregional hypothesis
E. None of the answer options is correct.
C
Biology & Microbiology
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The initial, brief period of early, general symptoms such as fatigue and muscle aches is the ________.
A. incubation period B. convalescent stage C. prodromal stage D. period of invasion
Biology & Microbiology
The first community to occupy a recently denuded region is referred to as
a. climax. b. diversity. c. pioneer. d. mosaic climax. e. transition.
Biology & Microbiology
Definition of photosynthesis
What will be an ideal response?
Biology & Microbiology
The blood from the digestive tract travels through two different veins before reaching the inferior vena cava.
Answer the following statement true (T) or false (F)
Biology & Microbiology