BIOLOGY 1M03 Lecture Notes - Lecture 14: Lovebird, Fixed Action Pattern, Instinct
8 Jan 2018
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Document Summary
Chapter 51: behavioural ecology & supplementary information (read pgs. What is behaviour: what an organism does and how it does it. Is a behavioural pattern that reliably develops in animals that receive normal upbringing and adequate nutrition. Is displayed in its functional form on its 1st performance. Describes how a behaviour is initiated or expressed. Studies the immediate cause and effect of a behaviour. Studies the genetic or physiological mechanisms that lead to a behaviour. Describes the reason why a behaviour exists. Adaptive value (effect on reproductive success) or evolutionary origin of the observed behaviour. Evidence for the influence of a genetic component on behaviour: Genetic and environmental components of behaviour: a case study. Fischer"s lovebird - long length strips, no tucking. Hybrid 1st season - intermediate length strips - unsuccessful tucking. Since it doesn"t have the genes for tucking. Hybrid lovebirds show elements of both parental species" behaviours. Aggression - mutant gene for mono amine oxidase.
