Chapter 51-2

Chapter 51-2 - Chapter 51: Animal Behavior Animal Behavior...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 51: Animal Behavior Animal Behavior is based on physiological systems and processes. Behavior is an action carried out by muscles or glands under the control of the nervous system in response to the stimulus. 1. Songs and scent 2. Nutrition and mating 3. Homeostasis e.g.- honeybees 4. Sum of responses to external and internal stimuli Niko Tinbergen: 1. Proximate Causation [how]: a. What stimulus elicits behavior and what physiological mechanisms mediate the response? b. How does the animal’s experience during growth and development influence the response? 2. Ultimate Causation [why]? a. How does the behavior aid survival and reproduction? b. What’s the behavior’s evolutionary history? Behavioral ecology: The study of ecological and evolutionary basis for animal behavior. Niko Tinbergen, Karl von Frisch, Konrad Lorenz – Nobel Prize – 1973. Fixed Action Patterns: 1. Fixed action patterns: A sequence of unrelated acts that is essentially unchangeable and once initiated usually carried to completion. 2. Sign stimulus: External stimulus. E.g. - male sticklebacks attacking red colored objects. Oriented Movement 1. Kinesis and Taxis:
Background image of page 1

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

View Full DocumentRight Arrow Icon
a. Kinesis: A change in activity or turning rate in response to a stimulus. E.g. - Sow bugs – variation in humidity. b.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

Chapter 51-2 - Chapter 51: Animal Behavior Animal Behavior...

This preview shows document pages 1 - 3. Sign up to view the full document.

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