Examlex
Which cell migrates to the thymus gland to mature?
Earliest Primates
The initial members of the primate order, dating back to the Paleocene epoch, ancestral to modern primates including humans, apes, monkeys, and prosimians.
Bipedalism
The ability to walk upright on two legs, a key feature in human evolution.
Savannah Environment
A landscape characterized by open grasslands with scattered trees, often found in Africa, which supports a diverse ecosystem including many grazing animals and predators.
Recent African Origins
A theory proposing that modern humans originated relatively recently in Africa and then dispersed to other continents.
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