BIOL2010 Lecture Notes - Lecture 37: Homo Sapiens, Hominidae, Sub-Saharan Africa
Document Summary
Evolution of the lineage that led to homo sapiens: contains the echinodermata and chordata, chordata. Hominidae characteristics: large body size, long arms, short legs, no tail, sexual dimorphism. Males generally larger than females: omnivorous, most have preference for fruit over meat or vegetation, large brains for body size. Whales generally have large brains but for their body size, they are below the trend line. Human is far above the trend line. 2 species in se asia rainforests could be a 3rd species based on genomic data critically endangered due to habitat loss live in mature forests. Most arboreal and solitary of great apes hang in the trees alone mostly. Quadruped fist walking use all 4 limbs fist walking bend over more. 2 species in sub-saharan africa critically endangered degraded habitat. Lecture 37 subject to overexploitation: pet trade, take babies and sell babies to zoos or private persons different part of animals to use in traditional medicine arboreal and ground dwelling.
