HDE 117 Lecture Notes - Lecture 6: Heritability, Live Fast, Die Young (Film), Biodemography
14 Apr 2017
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Document Summary
Life span concepts: life span: conceptual issues. Individual discrete functional entity: life duration broader concept than life span, genesis conception; fetal stage; birth; adulthood. ~ loss of dna integrity: how can a person be deader than dead, death of immediate family members, extended family members, whole clan, whole race", all humans, all of life, related concepts, mortal destined to die. Immortal living forever: eternal life after death, determinate fixed growth or age. Indeterminate open-ended growth or life span: life span and age, two types of ages, chronological. Total age from conception: physiological, tree of life, crown group last is the smallest monophyletic group, or clade , to contain the last common ancestor of all extant members, and all of that ancestor"s descendants. Species that are large, social, armored, and subterranean live longer: armored (turtles, armadillos, subterranean (mole rats, ant queens, birds live longer than similar-sized mammals, birds live relatively long years; very long-lived relative to their size.
