PSYCH 3F03 Study Guide - Midterm Guide: Immigration Restriction Act 1901, Wisdom Tooth, Nikolaas Tinbergen

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Phenotype: individual characteristics resulting from environmental interaction of an organism"s genotype (e. g. what is expressed, such as eye color) Genotype: the genetic constitution of an organism (e. g. do you have genes for eyes, wings, antennae, and/or jaws?) Fitness: the number of offspring produced, or proportion of genes passed to subsequent generations. Darwin"s direct fitness: fitness obtained through direct descent. Theory: a theory is based on several ideas of fact, hypothesis, and law. Evolution can only build on preexisting structures. In a punctuated equilibrium, there are periods of no or very slow evolutionary change that are then followed by periods of rapid evolutionary change. We all descended from common ancestors, and we are branching off of species. Describing something as natural does not give it value. We approach science hoping to understand the world, but science does not judge or justify behavior. Evolution is the change over time in organic (living) structure.