BIOLOGY 1M03 Lecture Notes - Lecture 10: Proximate And Ultimate Causation, Florida Scrub Jay, Fixed Action Pattern
5 Nov 2016
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Document Summary
What an animal 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 ex . 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. Genetic and environmental components of behaviour: a case study. Fischer"s lovebird - long length strips, no tucking. Unsuccessful tucking hybrid lovebirds show elements of both parental species" behaviours. Aggression - mutant gene for mono amine oxidase. Twin and adoption studies indicate substantial genetic influence. A highly stereotyped, innate behaviour, which is conducted to completion once activated by a sensory cue.
