NATR 320 Lecture Notes - Lecture 16: Phenotypic Plasticity, Ploidy, Archaea
6 Oct 2020
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Document Summary
Life history = major events related to an organisms growth, development, reproduction and survival. Life history patterns very within and among species. Individuals within species differ in their life histories. Phenotypic plasticity = a phenomenon in which a single genotype may produce different phenotypes under different environmental conditions. Phenotypic differences not always adapted to the tree not always increasing fitness. Morphs = discrete types produced by a single genotype with few or no intermediate. Allocation = relative amounts of energy or resources that an organism devotes to different function. Fitness = genetic contribution of an organism"s descendants to future generations. Life history strategy = the overall pattern in the timing and nature of life history events averaged across all the individuals in the species. Optimizing life history strategy is a moving target. Reproduce when food is available declines in population. Pollinators need to emerge at the same time as flowers. Modes of reproduction is a basic life history trait.
