Lecture 23 - Fitness is the product of survival and...

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BIOLOGY 1001: LECTURE 23 THE EVOLUTION OF LIFE-HISTORY PATTERNS LIFE HISTORY - age-specific rates of growth, reproduction, and survival ITEROPARITY - repeated breeding SEMELPARITY - explosive breeding SENESCENCE - physiological deterioration of the body from in-built processes EXTRINSIC MORTALITY - death due to predation, accident, or the environment
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Unformatted text preview: Fitness is the product of survival and reproduction. Therefore: 1.High adult mortality favors rapid breeding. 2.Traits that increase reproduction can spread even if they increase mortality. 3.Damaging reproductive traits are most likely to spread if their effects on survival are delayed until old age....
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