Lecture 19 Flashcards
1
Q
Recent out of Africa Hypothesis
A
-proposes that modern humans dispersed out of Africa and replaced populations of homo erectus and neanderthals without interbreeding
2
Q
Multiregional Hypothesis
A
-proposes that evolution of modern humans has been occurring since early humans left Africa 2 million years ago
3
Q
Characteristics of Homo Florensis
A
- 3 feet tall
- small brain
- long arms
- primitive shoulders
- lived between 14,000-60,000 yrs ago
4
Q
Insular Dwarfism
A
-small size can be advantageous for reproduction if associated with decreased gestation and generation time
5
Q
Insular Gigantism
A
- sometimes species on islands get larger
- could be because decreased predation pressure allows species to be large
6
Q
Morphology of Homo Neanderthalensis
A
- faces that bulge in the middle
- large browridges
- large cranial capacity
- robust, heavily muscled bodies
- more stocky than modern humans
7
Q
Tool use of neanderthals
A
mode 3