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Fixed Action Patterns

Fixed Action Patterns

A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.

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Related Experiment Video

Updated: May 20, 2025

Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria

Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria

Published on: July 20, 2017

Patterned eruption following fishnet stocking use

Vixey Silva¹, Bret-Ashleigh Coleman², Heather Kopecky¹

¹Department of Dermatology, HCA Healthcare/USF Morsani College of Medicine: Largo Medical Center Program, Largo, Florida.

JAAD Case Reports

|March 24, 2025

Summary

No abstract available in PubMed .

Keywords:

Henoch-Schonlein purpura Koebner phenomenon immunoglobulin A vasculitis purpura

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