BIO 121 Lecture Notes - Lecture 22: Prefrontal Cortex, Homo Floresiensis, Xanthophyll
10 Dec 2020
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Document Summary
Formally distinguished by various facial and dental traits. Old world monkeys: africa, asia, (gibraltar in europe) Most have tails, but their tails are not prehensile. New world monkeys: central and south america; tails are prehensile. Hominin: refers to members of tribe hominini; chimps and humans. Hominoid: refers to members of hominoidea lesser apes gibbons + great apes. 4 ft tall, brain size is 1/3 of human thought to be vegetarian, frugivorous. 4. 2-4. 6 ft in height, brain is 40% of human. Partial skeleton of 9 individuals have been found; small brain and body. Studies found more similarities to early humans and apes than to modern humans; support separate species status. Brains size of chimps or some australopithecus brain-to-body ratio is same as. Dorsal medial prefrontal cortex( brodman"s area 10) involved in self-awareness, about same size as modern human. Morphological features 350k to 600k ya appeared in europe. Complete neanderthal features present at 130k ya in europe.
