PP 4 Genes, Pops, & Human Variation Flashcards
What is biodiversity?
Variety of life in an environment/ecosystem
What is Paleolithic?
relating to or denoting the early phase of the Stone Age, lasting about 2.5 million years, when primitive stone implements were used.
What is important about the Paleolithic era?
We saw that recurrent infectious diseases would stay while non recurrent ones would die due to everyone getting infected.
What is zoonoses?
pathogens passed from nonhumans to humans
When urbanized agriculture came around what else came with it?
Water & sewage-borne diseases: Dysentery & E. coli, Cholera, Typhoid,
TB, staph/strep, typhoid, pathogens proliferated
Plague: bacterial Yersinia pestis from infected fleas
What is anoxia?
Oxygen absent
What is hypoxemia?
Low blood oxygen
What is Tachycardia?
rapid heart rate
What is hypoxia?
Low pressure, fewer oxygen molecules in the air.
What makes the people in the andes important?
They had a barrel chest to transfer oxygen more efficiently
What are Bergman and Allen rules?
Those living closer equator taller/ lean er
Those living closer poles shorter/stouter
Evolved responses to dissipate/conserve body heat
Developmental responses also
Bergman: B = Body: Size increases as temperature decreases
Allan: A = Arms/Appendages: Shorter/Thicker with cold
More linear/thin in hot
Cold-adapted people: Large heart for body size