Chapter 53

Chapter 53 - Ingrid Shih BIO 1306-04 16 February 2011...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Ingrid Shih BIO 1306-04 16 February 2011 Chapter 53: Animal Behavior 53.1 What Are the Origins of Behavior Biology? 4 questions in studying animal behavior o Causation What is the stimulus? How has stimulus-behavior been modified by learning? o Development How does behavior change with age? What is needed for it to be expressed? o Function How does the behavior affect survival and reproduction o Evolution How does behavior compare w/ similar species? How might it have evolved? All 4 questions address either proximate or ultimate causes o Proximate- genetic, physiological, neurological and development mechanisms Causation Development o Ultimate- evolutionary processes that produced the capacity and tendency to behave in certain ways Function Evolution 53.2 How Can Genes Influence Behavior? Basis of Animal Behavior o Genetic Hygienic Bees Hygienic bees can detect dead larvae and remove from hive Fruit fly mating behavior Male courtship= fixed action patterns Behavior is under control of a single gene, fruitless ( fru ) A gene expression cascade involving fru occurs in both sexes, with different gene products o Hormonal o Developmental 53.3 How does Behavior Develop? Hormonal Control Behavior
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/23/2011 for the course BIO 1306 taught by Professor Adair,tamarah during the Spring '08 term at Baylor.

Page1 / 3

Chapter 53 - Ingrid Shih BIO 1306-04 16 February 2011...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online